881098065 has 24 divisors (see below), whose sum is σ = 1538234880. Its totient is φ = 466534944.

The previous prime is 881098061. The next prime is 881098069. The reversal of 881098065 is 560890188.

It is an interprime number because it is at equal distance from previous prime (881098061) and next prime (881098069).

It is not a de Polignac number, because 881098065 - 2² = 881098061 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 881098065.

It is not an unprimeable number, because it can be changed into a prime (881098061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64177 + ... + 76686.

It is an arithmetic number, because the mean of its divisors is an integer number (64093120).

Almost surely, 2^881098065 is an apocalyptic number.

It is an amenable number.

881098065 is a deficient number, since it is larger than the sum of its proper divisors (657136815).

881098065 is a wasteful number, since it uses less digits than its factorization.

881098065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141013 (or 141010 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 881098065 is about 29683.2960602424. The cubic root of 881098065 is about 958.6823883529.

The spelling of 881098065 in words is "eight hundred eighty-one million, ninety-eight thousand, sixty-five".