89508169428 has 48 divisors (see below), whose sum is σ = 209379433536. Its totient is φ = 29760860160.

The previous prime is 89508169427. The next prime is 89508169433. The reversal of 89508169428 is 82496180598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89508169423) 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, 8891518 + ... + 8901578.

It is an arithmetic number, because the mean of its divisors is an integer number (4362071532).

Almost surely, 2^89508169428 is an apocalyptic number.

It is an amenable number.

89508169428 is an abundant number, since it is smaller than the sum of its proper divisors (119871264108).

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

89508169428 is a wasteful number, since it uses less digits than its factorization.

89508169428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864 (or 11862 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 89508169428 in words is "eighty-nine billion, five hundred eight million, one hundred sixty-nine thousand, four hundred twenty-eight".