78396104 has 16 divisors (see below), whose sum is σ = 147155100. Its totient is φ = 39154752.

The previous prime is 78396091. The next prime is 78396107. The reversal of 78396104 is 40169387.

It can be written as a sum of positive squares in 2 ways, for example, as 64032004 + 14364100 = 8002^2 + 3790^2 .

It is a super-2 number, since 2×78396104² = 12291898244757632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78396107) 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, 3062 + ... + 12890.

Almost surely, 2^78396104 is an apocalyptic number.

It is an amenable number.

78396104 is a deficient number, since it is larger than the sum of its proper divisors (68758996).

78396104 is a wasteful number, since it uses less digits than its factorization.

78396104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832 (or 10828 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 78396104 is about 8854.1574415638. The cubic root of 78396104 is about 427.9879025317.

The spelling of 78396104 in words is "seventy-eight million, three hundred ninety-six thousand, one hundred four".