78678762 has 8 divisors (see below), whose sum is σ = 157357536. Its totient is φ = 26226252.

The previous prime is 78678679. The next prime is 78678763. The reversal of 78678762 is 26787687.

It is a sphenic number, since it is the product of 3 distinct primes.

78678762 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (78678763) 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, 6556558 + ... + 6556569.

It is an arithmetic number, because the mean of its divisors is an integer number (19669692).

Almost surely, 2^78678762 is an apocalyptic number.

78678762 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78678762 is a wasteful number, since it uses less digits than its factorization.

78678762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113132.

The product of its digits is 1580544, while the sum is 51.

The square root of 78678762 is about 8870.1049599201. The cubic root of 78678762 is about 428.5016572450.

The spelling of 78678762 in words is "seventy-eight million, six hundred seventy-eight thousand, seven hundred sixty-two".