83117776374 has 16 divisors (see below), whose sum is σ = 184706169840. Its totient is φ = 27705925440.

The previous prime is 83117776367. The next prime is 83117776387. The reversal of 83117776374 is 47367771138.

83117776374 is a `hidden beast` number, since 8 + 31 + 177 + 76 + 374 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1539218081 = 83117776374 / (8 + 3 + 1 + 1 + 7 + 7 + 7 + 6 + 3 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 83117776374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769608987 + ... + 769609094.

It is an arithmetic number, because the mean of its divisors is an integer number (11544135615).

Almost surely, 2^83117776374 is an apocalyptic number.

83117776374 is an abundant number, since it is smaller than the sum of its proper divisors (101588393466).

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

83117776374 is a wasteful number, since it uses less digits than its factorization.

83117776374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539218092 (or 1539218086 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The spelling of 83117776374 in words is "eighty-three billion, one hundred seventeen million, seven hundred seventy-six thousand, three hundred seventy-four".