78460912384 has 36 divisors (see below), whose sum is σ = 157042269664. Its totient is φ = 39123514368.

The previous prime is 78460912381. The next prime is 78460912399. The reversal of 78460912384 is 48321906487.

It is a super-2 number, since 2×78460912384² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78460912381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323607 + ... + 511510.

Almost surely, 2^78460912384 is an apocalyptic number.

It is an amenable number.

78460912384 is an abundant number, since it is smaller than the sum of its proper divisors (78581357280).

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

78460912384 is an equidigital number, since it uses as much as digits as its factorization.

78460912384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835500 (or 835486 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 78460912384 in words is "seventy-eight billion, four hundred sixty million, nine hundred twelve thousand, three hundred eighty-four".