82701416531878 has 16 divisors (see below), whose sum is σ = 124256154009456. Its totient is φ = 41282710022880.

The previous prime is 82701416531827. The next prime is 82701416531893. The reversal of 82701416531878 is 87813561410728.

It is a happy number.

It is a super-2 number, since 2×82701416531878² (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, 11552308 + ... + 17287528.

It is an arithmetic number, because the mean of its divisors is an integer number (7766009625591).

Almost surely, 2^{82701416531878} is an apocalyptic number.

82701416531878 is a deficient number, since it is larger than the sum of its proper divisors (41554737477578).

82701416531878 is a wasteful number, since it uses less digits than its factorization.

82701416531878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747079.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 82701416531878 in words is "eighty-two trillion, seven hundred one billion, four hundred sixteen million, five hundred thirty-one thousand, eight hundred seventy-eight".