78800634 has 32 divisors (see below), whose sum is σ = 191033280. Its totient is φ = 23878800.

The previous prime is 78800621. The next prime is 78800671. The reversal of 78800634 is 43600887.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65737 + ... + 66924.

It is an arithmetic number, because the mean of its divisors is an integer number (5969790).

Almost surely, 2^78800634 is an apocalyptic number.

78800634 is an abundant number, since it is smaller than the sum of its proper divisors (112232646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78800634 is a wasteful number, since it uses less digits than its factorization.

78800634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132683 (or 132677 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 78800634 is about 8876.9721189153. The cubic root of 78800634 is about 428.7227902505.

The spelling of 78800634 in words is "seventy-eight million, eight hundred thousand, six hundred thirty-four".