83078665631216 has 40 divisors (see below), whose sum is σ = 172977221762640. Its totient is φ = 38512322601984.

The previous prime is 83078665631201. The next prime is 83078665631243. The reversal of 83078665631216 is 61213656687038.

It is a super-2 number, since 2×83078665631216² (a number of 29 digits) contains 22 as substring.

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, 2279356931 + ... + 2279393378.

It is an arithmetic number, because the mean of its divisors is an integer number (4324430544066).

Almost surely, 2^{83078665631216} is an apocalyptic number.

It is an amenable number.

83078665631216 is an abundant number, since it is smaller than the sum of its proper divisors (89898556131424).

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

83078665631216 is a wasteful number, since it uses less digits than its factorization.

83078665631216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558750401 (or 4558750395 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 83078665631216 in words is "eighty-three trillion, seventy-eight billion, six hundred sixty-five million, six hundred thirty-one thousand, two hundred sixteen".