82901854378920 has 32 divisors (see below), whose sum is σ = 248705563137120. Its totient is φ = 22107161167680.

The previous prime is 82901854378901. The next prime is 82901854378927. The reversal of 82901854378920 is 2987345810928.

It is not an unprimeable number, because it can be changed into a prime (82901854378927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345424393126 + ... + 345424393365.

It is an arithmetic number, because the mean of its divisors is an integer number (7772048848035).

Almost surely, 2^{82901854378920} is an apocalyptic number.

It is an amenable number.

82901854378920 is an abundant number, since it is smaller than the sum of its proper divisors (165803708758200).

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

82901854378920 is a wasteful number, since it uses less digits than its factorization.

82901854378920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690848786505 (or 690848786501 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 82901854378920 in words is "eighty-two trillion, nine hundred one billion, eight hundred fifty-four million, three hundred seventy-eight thousand, nine hundred twenty".