89085878892 has 48 divisors (see below), whose sum is σ = 243119363200. Its totient is φ = 28132382160.

The previous prime is 89085878891. The next prime is 89085878897. The reversal of 89085878892 is 29887858098.

It is a super-2 number, since 2×89085878892² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89085878892.

It is not an unprimeable number, because it can be changed into a prime (89085878891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21705034 + ... + 21709137.

Almost surely, 2^89085878892 is an apocalyptic number.

It is an amenable number.

89085878892 is an abundant number, since it is smaller than the sum of its proper divisors (154033484308).

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

89085878892 is a wasteful number, since it uses less digits than its factorization.

89085878892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43414203 (or 43414195 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 72.

The spelling of 89085878892 in words is "eighty-nine billion, eighty-five million, eight hundred seventy-eight thousand, eight hundred ninety-two".