68280231936 has 96 divisors (see below), whose sum is σ = 208041462720. Its totient is φ = 19508625408.

The previous prime is 68280231917. The next prime is 68280231941. The reversal of 68280231936 is 63913208286.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 750801 + ... + 836816.

It is an arithmetic number, because the mean of its divisors is an integer number (2167098570).

Almost surely, 2^68280231936 is an apocalyptic number.

It is an amenable number.

68280231936 is an abundant number, since it is smaller than the sum of its proper divisors (139761230784).

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

68280231936 is a wasteful number, since it uses less digits than its factorization.

68280231936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587649 (or 1587629 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 68280231936 in words is "sixty-eight billion, two hundred eighty million, two hundred thirty-one thousand, nine hundred thirty-six".