78677496 has 48 divisors (see below), whose sum is σ = 225622800. Its totient is φ = 24682752.

The previous prime is 78677491. The next prime is 78677539. The reversal of 78677496 is 69477687.

78677496 is a `hidden beast` number, since 7 + 86 + 77 + 496 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78677491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30916 + ... + 33363.

It is an arithmetic number, because the mean of its divisors is an integer number (4700475).

Almost surely, 2^78677496 is an apocalyptic number.

It is an amenable number.

78677496 is an abundant number, since it is smaller than the sum of its proper divisors (146945304).

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

78677496 is a wasteful number, since it uses less digits than its factorization.

78677496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64308 (or 64301 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 78677496 is about 8870.0335963287. The cubic root of 78677496 is about 428.4993589289.

The spelling of 78677496 in words is "seventy-eight million, six hundred seventy-seven thousand, four hundred ninety-six".