89557649402 has 32 divisors (see below), whose sum is σ = 146132492688. Its totient is φ = 40918519296.

The previous prime is 89557649387. The next prime is 89557649411. The reversal of 89557649402 is 20494675598.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 45847802641 + 43709846761 = 214121^2 + 209069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005308 + ... + 1090760.

Almost surely, 2^89557649402 is an apocalyptic number.

89557649402 is a deficient number, since it is larger than the sum of its proper divisors (56574843286).

89557649402 is a wasteful number, since it uses less digits than its factorization.

89557649402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85874.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 89557649402 in words is "eighty-nine billion, five hundred fifty-seven million, six hundred forty-nine thousand, four hundred two".