82470290020080 has 40 divisors (see below), whose sum is σ = 255657899062992. Its totient is φ = 21992077338624.

The previous prime is 82470290020073. The next prime is 82470290020093. The reversal of 82470290020080 is 8002009207428.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×82470290020080² (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, 171813103969 + ... + 171813104448.

Almost surely, 2^{82470290020080} is an apocalyptic number.

82470290020080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82470290020080 is an abundant number, since it is smaller than the sum of its proper divisors (173187609042912).

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

82470290020080 is a wasteful number, since it uses less digits than its factorization.

82470290020080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343626208433 (or 343626208427 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 82470290020080 in words is "eighty-two trillion, four hundred seventy billion, two hundred ninety million, twenty thousand, eighty".