77517041140 has 96 divisors (see below), whose sum is σ = 207903967488. Its totient is φ = 23571840000.

The previous prime is 77517041123. The next prime is 77517041219. The reversal of 77517041140 is 4114071577.

It is a self number, because there is not a number n which added to its sum of digits gives 77517041140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550711 + ... + 676990.

It is an arithmetic number, because the mean of its divisors is an integer number (2165666328).

Almost surely, 2^77517041140 is an apocalyptic number.

77517041140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77517041140 is an abundant number, since it is smaller than the sum of its proper divisors (130386926348).

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

77517041140 is a wasteful number, since it uses less digits than its factorization.

77517041140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227769 (or 1227767 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 37.

The spelling of 77517041140 in words is "seventy-seven billion, five hundred seventeen million, forty-one thousand, one hundred forty".