89929994572 has 48 divisors (see below), whose sum is σ = 179367374592. Its totient is φ = 39052354880.

The previous prime is 89929994563. The next prime is 89929994593. The reversal of 89929994572 is 27549992998.

It is a junction number, because it is equal to n+sod(n) for n = 89929994495 and 89929994504.

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, 783198 + ... + 890650.

It is an arithmetic number, because the mean of its divisors is an integer number (3736820304).

Almost surely, 2^89929994572 is an apocalyptic number.

It is an amenable number.

89929994572 is a deficient number, since it is larger than the sum of its proper divisors (89437380020).

89929994572 is a wasteful number, since it uses less digits than its factorization.

89929994572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108318 (or 108316 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 73.

The spelling of 89929994572 in words is "eighty-nine billion, nine hundred twenty-nine million, nine hundred ninety-four thousand, five hundred seventy-two".