78967904 has 24 divisors (see below), whose sum is σ = 157662288. Its totient is φ = 38926720.

The previous prime is 78967897. The next prime is 78967913. The reversal of 78967904 is 40976987.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15107 + ... + 19650.

It is an arithmetic number, because the mean of its divisors is an integer number (6569262).

Almost surely, 2^78967904 is an apocalyptic number.

It is an amenable number.

78967904 is a deficient number, since it is larger than the sum of its proper divisors (78694384).

78967904 is a wasteful number, since it uses less digits than its factorization.

78967904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34838 (or 34830 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 78967904 is about 8886.3886928268. The cubic root of 78967904 is about 429.0259256270.

The spelling of 78967904 in words is "seventy-eight million, nine hundred sixty-seven thousand, nine hundred four".