89391509312 has 56 divisors (see below), whose sum is σ = 202762859904. Its totient is φ = 38303903232.

The previous prime is 89391509299. The next prime is 89391509341. The reversal of 89391509312 is 21390519398.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 3178898 + ... + 3206894.

Almost surely, 2^89391509312 is an apocalyptic number.

It is an amenable number.

89391509312 is an abundant number, since it is smaller than the sum of its proper divisors (113371350592).

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

89391509312 is a wasteful number, since it uses less digits than its factorization.

89391509312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35143 (or 35133 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 89391509312 in words is "eighty-nine billion, three hundred ninety-one million, five hundred nine thousand, three hundred twelve".