78554764 has 12 divisors (see below), whose sum is σ = 137552800. Its totient is φ = 39253968.

The previous prime is 78554747. The next prime is 78554767. The reversal of 78554764 is 46745587.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78554767) 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, 3277 + ... + 12955.

Almost surely, 2^78554764 is an apocalyptic number.

It is an amenable number.

78554764 is a deficient number, since it is larger than the sum of its proper divisors (58998036).

78554764 is a wasteful number, since it uses less digits than its factorization.

78554764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11710 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 78554764 is about 8863.1125458272. The cubic root of 78554764 is about 428.2764321890.

The spelling of 78554764 in words is "seventy-eight million, five hundred fifty-four thousand, seven hundred sixty-four".