78311104 has 28 divisors (see below), whose sum is σ = 158337504. Its totient is φ = 38415104.

The previous prime is 78311089. The next prime is 78311131. The reversal of 78311104 is 40111387.

It is a super-2 number, since 2×78311104² = 12265258019397632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8152 + ... + 14935.

Almost surely, 2^78311104 is an apocalyptic number.

It is an amenable number.

78311104 is an abundant number, since it is smaller than the sum of its proper divisors (80026400).

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

78311104 is a wasteful number, since it uses less digits than its factorization.

78311104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23152 (or 23142 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 78311104 is about 8849.3561347705. The cubic root of 78311104 is about 427.8331664092.

The spelling of 78311104 in words is "seventy-eight million, three hundred eleven thousand, one hundred four".