881092485 has 144 divisors (see below), whose sum is σ = 1963188864. Its totient is φ = 371195136.

The previous prime is 881092477. The next prime is 881092493. The reversal of 881092485 is 584290188.

It is a happy number.

881092485 is a `hidden beast` number, since 8 + 81 + 0 + 92 + 485 = 666.

It is an interprime number because it is at equal distance from previous prime (881092477) and next prime (881092493).

It is not a de Polignac number, because 881092485 - 2³ = 881092477 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 881092485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1437039 + ... + 1437651.

It is an arithmetic number, because the mean of its divisors is an integer number (13633256).

Almost surely, 2^881092485 is an apocalyptic number.

It is an amenable number.

881092485 is an abundant number, since it is smaller than the sum of its proper divisors (1082096379).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881092485 is a wasteful number, since it uses less digits than its factorization.

881092485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 881092485 is about 29683.2020678363. The cubic root of 881092485 is about 958.6803645680.

The spelling of 881092485 in words is "eight hundred eighty-one million, ninety-two thousand, four hundred eighty-five".