77144874473104 has 80 divisors (see below), whose sum is σ = 159688606507200. Its totient is φ = 35995688036352.

The previous prime is 77144874473089. The next prime is 77144874473119. The reversal of 77144874473104 is 40137447844177.

It is an interprime number because it is at equal distance from previous prime (77144874473089) and next prime (77144874473119).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954994764 + ... + 955075540.

It is an arithmetic number, because the mean of its divisors is an integer number (1996107581340).

Almost surely, 2^{77144874473104} is an apocalyptic number.

It is an amenable number.

77144874473104 is an abundant number, since it is smaller than the sum of its proper divisors (82543732034096).

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

77144874473104 is a wasteful number, since it uses less digits than its factorization.

77144874473104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127760 (or 127754 counting only the distinct ones).

The product of its (nonzero) digits is 59006976, while the sum is 61.

The spelling of 77144874473104 in words is "seventy-seven trillion, one hundred forty-four billion, eight hundred seventy-four million, four hundred seventy-three thousand, one hundred four".