78793976 has 8 divisors (see below), whose sum is σ = 147738720. Its totient is φ = 39396984.

The previous prime is 78793951. The next prime is 78793993. The reversal of 78793976 is 67939787.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4924616 + ... + 4924631.

It is an arithmetic number, because the mean of its divisors is an integer number (18467340).

Almost surely, 2^78793976 is an apocalyptic number.

It is an amenable number.

78793976 is a deficient number, since it is larger than the sum of its proper divisors (68944744).

78793976 is a wasteful number, since it uses less digits than its factorization.

78793976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849253 (or 9849249 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 56.

The square root of 78793976 is about 8876.5970957344. The cubic root of 78793976 is about 428.7107154038.

The spelling of 78793976 in words is "seventy-eight million, seven hundred ninety-three thousand, nine hundred seventy-six".