78904376 has 8 divisors (see below), whose sum is σ = 147945720. Its totient is φ = 39452184.

The previous prime is 78904373. The next prime is 78904403. The reversal of 78904376 is 67340987.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78904373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4931516 + ... + 4931531.

It is an arithmetic number, because the mean of its divisors is an integer number (18493215).

Almost surely, 2^78904376 is an apocalyptic number.

It is an amenable number.

78904376 is a deficient number, since it is larger than the sum of its proper divisors (69041344).

78904376 is a wasteful number, since it uses less digits than its factorization.

78904376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863053 (or 9863049 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 78904376 is about 8882.8135182497. The cubic root of 78904376 is about 428.9108473499.

The spelling of 78904376 in words is "seventy-eight million, nine hundred four thousand, three hundred seventy-six".