89737533427968 has 144 divisors (see below), whose sum is σ = 266307381336640. Its totient is φ = 29806812573696.

The previous prime is 89737533427967. The next prime is 89737533427987. The reversal of 89737533427968 is 86972433573798.

89737533427968 is a `hidden beast` number, since 8 + 9 + 7 + 3 + 7 + 5 + 334 + 279 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89737533427967) 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, 20981821 + ... + 24894012.

Almost surely, 2^{89737533427968} is an apocalyptic number.

It is an amenable number.

89737533427968 is an abundant number, since it is smaller than the sum of its proper divisors (176569847908672).

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

89737533427968 is a wasteful number, since it uses less digits than its factorization.

89737533427968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45876141 (or 45876121 counting only the distinct ones).

The product of its digits is 11522165760, while the sum is 81.

The spelling of 89737533427968 in words is "eighty-nine trillion, seven hundred thirty-seven billion, five hundred thirty-three million, four hundred twenty-seven thousand, nine hundred sixty-eight".