89664689004 has 48 divisors (see below), whose sum is σ = 228264341760. Its totient is φ = 27167909440.

The previous prime is 89664688987. The next prime is 89664689069. The reversal of 89664689004 is 40098646698.

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, 1234942 + ... + 1305530.

It is an arithmetic number, because the mean of its divisors is an integer number (4755507120).

Almost surely, 2^89664689004 is an apocalyptic number.

It is an amenable number.

89664689004 is an abundant number, since it is smaller than the sum of its proper divisors (138599652756).

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

89664689004 is a wasteful number, since it uses less digits than its factorization.

89664689004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80230 (or 80228 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 89664689004 in words is "eighty-nine billion, six hundred sixty-four million, six hundred eighty-nine thousand, four".