78605708 has 24 divisors (see below), whose sum is σ = 142369920. Its totient is φ = 37935360.

The previous prime is 78605707. The next prime is 78605741. The reversal of 78605708 is 80750687.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (78605707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72998 + ... + 74066.

It is an arithmetic number, because the mean of its divisors is an integer number (5932080).

Almost surely, 2^78605708 is an apocalyptic number.

It is an amenable number.

78605708 is a deficient number, since it is larger than the sum of its proper divisors (63764212).

78605708 is a wasteful number, since it uses less digits than its factorization.

78605708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 78605708 is about 8865.9860139750. The cubic root of 78605708 is about 428.3689935169.

The spelling of 78605708 in words is "seventy-eight million, six hundred five thousand, seven hundred eight".