78057104 has 20 divisors (see below), whose sum is σ = 151406976. Its totient is φ = 38984352.

The previous prime is 78057061. The next prime is 78057107. The reversal of 78057104 is 40175087.

It is a super-2 number, since 2×78057104² = 12185822969733632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78057107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15437 + ... + 19859.

Almost surely, 2^78057104 is an apocalyptic number.

It is an amenable number.

78057104 is a deficient number, since it is larger than the sum of its proper divisors (73349872).

78057104 is a wasteful number, since it uses less digits than its factorization.

78057104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 78057104 is about 8834.9931522328. The cubic root of 78057104 is about 427.3701102145.

The spelling of 78057104 in words is "seventy-eight million, fifty-seven thousand, one hundred four".