83117711578277 has 16 divisors (see below), whose sum is σ = 83451846180480. Its totient is φ = 82784462745600.

The previous prime is 83117711578261. The next prime is 83117711578453. The reversal of 83117711578277 is 77287511771138.

It is a cyclic number.

It is not a de Polignac number, because 83117711578277 - 2⁴ = 83117711578261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83117711578877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431928752 + ... + 432121142.

It is an arithmetic number, because the mean of its divisors is an integer number (5215740386280).

Almost surely, 2^{83117711578277} is an apocalyptic number.

It is an amenable number.

83117711578277 is a deficient number, since it is larger than the sum of its proper divisors (334134602203).

83117711578277 is a wasteful number, since it uses less digits than its factorization.

83117711578277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194684.

The product of its digits is 32269440, while the sum is 65.

The spelling of 83117711578277 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred eleven million, five hundred seventy-eight thousand, two hundred seventy-seven".