83117708710278 has 64 divisors (see below), whose sum is σ = 189362832113664. Its totient is φ = 24075485060000.

The previous prime is 83117708710261. The next prime is 83117708710349. The reversal of 83117708710278 is 87201780771138.

It is a happy number.

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, 16665318 + ... + 21070553.

It is an arithmetic number, because the mean of its divisors is an integer number (2958794251776).

Almost surely, 2^{83117708710278} is an apocalyptic number.

83117708710278 is an abundant number, since it is smaller than the sum of its proper divisors (106245123403386).

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

83117708710278 is a wasteful number, since it uses less digits than its factorization.

83117708710278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37737361.

The product of its (nonzero) digits is 7375872, while the sum is 60.

The spelling of 83117708710278 in words is "eighty-three trillion, one hundred seventeen billion, seven hundred eight million, seven hundred ten thousand, two hundred seventy-eight".