78055804 has 12 divisors (see below), whose sum is σ = 138636904. Its totient is φ = 38445264.

The previous prime is 78055801. The next prime is 78055811. The reversal of 78055804 is 40855087.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78055801) by changing a digit.

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, 145359 + ... + 145894.

Almost surely, 2^78055804 is an apocalyptic number.

It is an amenable number.

78055804 is a deficient number, since it is larger than the sum of its proper divisors (60581100).

78055804 is a wasteful number, since it uses less digits than its factorization.

78055804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291324 (or 291322 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 78055804 is about 8834.9195808451. The cubic root of 78055804 is about 427.3677376599.

The spelling of 78055804 in words is "seventy-eight million, fifty-five thousand, eight hundred four".