881134487 has 8 divisors (see below), whose sum is σ = 911162736. Its totient is φ = 851602752.

The previous prime is 881134459. The next prime is 881134511. The reversal of 881134487 is 784431188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 881134487 - 2²⁴ = 864357271 is a prime.

It is a super-3 number, since 3×881134487³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881134417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120518 + ... + 127619.

It is an arithmetic number, because the mean of its divisors is an integer number (113895342).

Almost surely, 2^881134487 is an apocalyptic number.

881134487 is a deficient number, since it is larger than the sum of its proper divisors (30028249).

881134487 is a wasteful number, since it uses less digits than its factorization.

881134487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248257.

The product of its digits is 172032, while the sum is 44.

The square root of 881134487 is about 29683.9095639372. The cubic root of 881134487 is about 958.6955978734.

The spelling of 881134487 in words is "eight hundred eighty-one million, one hundred thirty-four thousand, four hundred eighty-seven".