77148007056 has 60 divisors (see below), whose sum is σ = 227270818320. Its totient is φ = 24362527680.

The previous prime is 77148007051. The next prime is 77148007067. The reversal of 77148007056 is 65070084177.

It is not an unprimeable number, because it can be changed into a prime (77148007051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14095950 + ... + 14101421.

It is an arithmetic number, because the mean of its divisors is an integer number (3787846972).

Almost surely, 2^77148007056 is an apocalyptic number.

77148007056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

77148007056 is an abundant number, since it is smaller than the sum of its proper divisors (150122811264).

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

77148007056 is a wasteful number, since it uses less digits than its factorization.

77148007056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28197404 (or 28197395 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 77148007056 in words is "seventy-seven billion, one hundred forty-eight million, seven thousand, fifty-six".