82316856581774 has 32 divisors (see below), whose sum is σ = 131387903746560. Its totient is φ = 38545191997312.

The previous prime is 82316856581699. The next prime is 82316856581789. The reversal of 82316856581774 is 47718565861328.

It is a junction number, because it is equal to n+sod(n) for n = 82316856581698 and 82316856581707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6477857 + ... + 14373459.

It is an arithmetic number, because the mean of its divisors is an integer number (4105871992080).

Almost surely, 2^{82316856581774} is an apocalyptic number.

82316856581774 is a deficient number, since it is larger than the sum of its proper divisors (49071047164786).

82316856581774 is a wasteful number, since it uses less digits than its factorization.

82316856581774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897144.

The product of its digits is 541900800, while the sum is 71.

The spelling of 82316856581774 in words is "eighty-two trillion, three hundred sixteen billion, eight hundred fifty-six million, five hundred eighty-one thousand, seven hundred seventy-four".