78125804 has 12 divisors (see below), whose sum is σ = 136788624. Its totient is φ = 39043344.

The previous prime is 78125783. The next prime is 78125807. The reversal of 78125804 is 40852187.

It is a super-2 number, since 2×78125804² = 12207282501292832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78125807) 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, 7697 + ... + 14679.

It is an arithmetic number, because the mean of its divisors is an integer number (11399052).

Almost surely, 2^78125804 is an apocalyptic number.

It is an amenable number.

78125804 is a deficient number, since it is larger than the sum of its proper divisors (58662820).

78125804 is a wasteful number, since it uses less digits than its factorization.

78125804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784 (or 9782 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 78125804 is about 8838.8802458230. The cubic root of 78125804 is about 427.4954531395.

The spelling of 78125804 in words is "seventy-eight million, one hundred twenty-five thousand, eight hundred four".