93687934640 has 80 divisors (see below), whose sum is σ = 229093837056. Its totient is φ = 35581977600.

The previous prime is 93687934621. The next prime is 93687934663. The reversal of 93687934640 is 4643978639.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 93687934640.

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, 224951 + ... + 487830.

Almost surely, 2^93687934640 is an apocalyptic number.

It is an amenable number.

93687934640 is an abundant number, since it is smaller than the sum of its proper divisors (135405902416).

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

93687934640 is a wasteful number, since it uses less digits than its factorization.

93687934640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712878 (or 712872 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 59.

The spelling of 93687934640 in words is "ninety-three billion, six hundred eighty-seven million, nine hundred thirty-four thousand, six hundred forty".