78797792 has 12 divisors (see below), whose sum is σ = 155133216. Its totient is φ = 39398880.

The previous prime is 78797783. The next prime is 78797809. The reversal of 78797792 is 29779787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1231184 + ... + 1231247.

It is an arithmetic number, because the mean of its divisors is an integer number (12927768).

Almost surely, 2^78797792 is an apocalyptic number.

It is an amenable number.

78797792 is a deficient number, since it is larger than the sum of its proper divisors (76335424).

78797792 is a wasteful number, since it uses less digits than its factorization.

78797792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462441 (or 2462433 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 56.

The square root of 78797792 is about 8876.8120403667. The cubic root of 78797792 is about 428.7176361261.

The spelling of 78797792 in words is "seventy-eight million, seven hundred ninety-seven thousand, seven hundred ninety-two".