78607604 has 6 divisors (see below), whose sum is σ = 137563314. Its totient is φ = 39303800.

The previous prime is 78607601. The next prime is 78607649. The reversal of 78607604 is 40670687.

It can be written as a sum of positive squares in only one way, i.e., 60031504 + 18576100 = 7748^2 + 4310^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78607601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9825947 + ... + 9825954.

It is an arithmetic number, because the mean of its divisors is an integer number (22927219).

Almost surely, 2^78607604 is an apocalyptic number.

It is an amenable number.

78607604 is a deficient number, since it is larger than the sum of its proper divisors (58955710).

78607604 is a wasteful number, since it uses less digits than its factorization.

78607604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19651905 (or 19651903 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 78607604 is about 8866.0929388316. The cubic root of 78607604 is about 428.3724376310.

The spelling of 78607604 in words is "seventy-eight million, six hundred seven thousand, six hundred four".