82514757930 has 128 divisors (see below), whose sum is σ = 231504086016. Its totient is φ = 18599961600.

The previous prime is 82514757907. The next prime is 82514757931. The reversal of 82514757930 is 3975741528.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (82514757931) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 377025 + ... + 554235.

It is an arithmetic number, because the mean of its divisors is an integer number (1808625672).

Almost surely, 2^82514757930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82514757930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115752043008).

82514757930 is an abundant number, since it is smaller than the sum of its proper divisors (148989328086).

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

82514757930 is a wasteful number, since it uses less digits than its factorization.

82514757930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177332.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 82514757930 in words is "eighty-two billion, five hundred fourteen million, seven hundred fifty-seven thousand, nine hundred thirty".