78900508 has 12 divisors (see below), whose sum is σ = 138650512. Its totient is φ = 39286080.

The previous prime is 78900499. The next prime is 78900529. The reversal of 78900508 is 80500987.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

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, 39960 + ... + 41887.

Almost surely, 2^78900508 is an apocalyptic number.

It is an amenable number.

78900508 is a deficient number, since it is larger than the sum of its proper divisors (59750004).

78900508 is a wasteful number, since it uses less digits than its factorization.

78900508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82092 (or 82090 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 78900508 is about 8882.5957917717. The cubic root of 78900508 is about 428.9038386374.

The spelling of 78900508 in words is "seventy-eight million, nine hundred thousand, five hundred eight".