78996236 has 12 divisors (see below), whose sum is σ = 150811080. Its totient is φ = 35907360.

The previous prime is 78996223. The next prime is 78996257. The reversal of 78996236 is 63269987.

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, 897641 + ... + 897728.

It is an arithmetic number, because the mean of its divisors is an integer number (12567590).

Almost surely, 2^78996236 is an apocalyptic number.

It is an amenable number.

78996236 is a deficient number, since it is larger than the sum of its proper divisors (71814844).

78996236 is a wasteful number, since it uses less digits than its factorization.

78996236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795384 (or 1795382 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 78996236 is about 8887.9826732504. The cubic root of 78996236 is about 429.0772279432.

The spelling of 78996236 in words is "seventy-eight million, nine hundred ninety-six thousand, two hundred thirty-six".