82514914520 has 32 divisors (see below), whose sum is σ = 192060579600. Its totient is φ = 31867828608.

The previous prime is 82514914511. The next prime is 82514914523. The reversal of 82514914520 is 2541941528.

It is a super-2 number, since 2×82514914520² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82514914523) 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, 35565614 + ... + 35567933.

Almost surely, 2^82514914520 is an apocalyptic number.

It is an amenable number.

82514914520 is an abundant number, since it is smaller than the sum of its proper divisors (109545665080).

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

82514914520 is a wasteful number, since it uses less digits than its factorization.

82514914520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71133587 (or 71133583 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 82514914520 in words is "eighty-two billion, five hundred fourteen million, nine hundred fourteen thousand, five hundred twenty".