89188557002 has 16 divisors (see below), whose sum is σ = 143244019080. Its totient is φ = 41499499008.

The previous prime is 89188556993. The next prime is 89188557041. The reversal of 89188557002 is 20075588198.

It can be written as a sum of positive squares in 4 ways, for example, as 89155390921 + 33166081 = 298589^2 + 5759^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14734013 + ... + 14740064.

Almost surely, 2^89188557002 is an apocalyptic number.

89188557002 is a deficient number, since it is larger than the sum of its proper divisors (54055462078).

89188557002 is a wasteful number, since it uses less digits than its factorization.

89188557002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29474185.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The spelling of 89188557002 in words is "eighty-nine billion, one hundred eighty-eight million, five hundred fifty-seven thousand, two".