78125576 has 16 divisors (see below), whose sum is σ = 148251600. Its totient is φ = 38591824.

The previous prime is 78125569. The next prime is 78125581. The reversal of 78125576 is 67552187.

It is a super-2 number, since 2×78125576² = 12207211250663552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58166 + ... + 59493.

It is an arithmetic number, because the mean of its divisors is an integer number (9265725).

Almost surely, 2^78125576 is an apocalyptic number.

It is an amenable number.

78125576 is a deficient number, since it is larger than the sum of its proper divisors (70126024).

78125576 is a wasteful number, since it uses less digits than its factorization.

78125576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117748 (or 117744 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 78125576 is about 8838.8673482523. The cubic root of 78125576 is about 427.4950372758.

The spelling of 78125576 in words is "seventy-eight million, one hundred twenty-five thousand, five hundred seventy-six".