77848471024 has 20 divisors (see below), whose sum is σ = 150835752144. Its totient is φ = 38923115648.

The previous prime is 77848471007. The next prime is 77848471067. The reversal of 77848471024 is 42017484877.

It is a congruent number.

It is an unprimeable number.

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, 989589 + ... + 1065355.

Almost surely, 2^77848471024 is an apocalyptic number.

It is an amenable number.

77848471024 is a deficient number, since it is larger than the sum of its proper divisors (72987281120).

77848471024 is a wasteful number, since it uses less digits than its factorization.

77848471024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139992 (or 139986 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 52.

The spelling of 77848471024 in words is "seventy-seven billion, eight hundred forty-eight million, four hundred seventy-one thousand, twenty-four".