78926804 has 48 divisors (see below), whose sum is σ = 156897216. Its totient is φ = 34425600.

The previous prime is 78926803. The next prime is 78926821. The reversal of 78926804 is 40862987.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78926803) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 120542 + ... + 121194.

It is an arithmetic number, because the mean of its divisors is an integer number (3268692).

Almost surely, 2^78926804 is an apocalyptic number.

It is an amenable number.

78926804 is a deficient number, since it is larger than the sum of its proper divisors (77970412).

78926804 is a wasteful number, since it uses less digits than its factorization.

78926804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 78926804 is about 8884.0758664028. The cubic root of 78926804 is about 428.9514817722.

The spelling of 78926804 in words is "seventy-eight million, nine hundred twenty-six thousand, eight hundred four".