77399552804 has 24 divisors (see below), whose sum is σ = 161529502848. Its totient is φ = 31729008960.

The previous prime is 77399552803. The next prime is 77399552819. The reversal of 77399552804 is 40825599377.

It is not an unprimeable number, because it can be changed into a prime (77399552801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60092177 + ... + 60093464.

It is an arithmetic number, because the mean of its divisors is an integer number (6730395952).

Almost surely, 2^77399552804 is an apocalyptic number.

It is an amenable number.

77399552804 is an abundant number, since it is smaller than the sum of its proper divisors (84129950044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77399552804 is a wasteful number, since it uses less digits than its factorization.

77399552804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120185675 (or 120185673 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 59.

The spelling of 77399552804 in words is "seventy-seven billion, three hundred ninety-nine million, five hundred fifty-two thousand, eight hundred four".