78760208 has 20 divisors (see below), whose sum is σ = 153626700. Its totient is φ = 39114624.

The previous prime is 78760207. The next prime is 78760223. The reversal of 78760208 is 80206787.

It can be written as a sum of positive squares in 2 ways, for example, as 2930944 + 75829264 = 1712^2 + 8708^2 .

It is a Smith number, since the sum of its digits (38) 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 (78760207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14135 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (7681335).

Almost surely, 2^78760208 is an apocalyptic number.

It is an amenable number.

78760208 is a deficient number, since it is larger than the sum of its proper divisors (74866492).

78760208 is a wasteful number, since it uses less digits than its factorization.

78760208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33194 (or 33188 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 78760208 is about 8874.6948116541. The cubic root of 78760208 is about 428.6494638009.

The spelling of 78760208 in words is "seventy-eight million, seven hundred sixty thousand, two hundred eight".