82109046512 has 40 divisors (see below), whose sum is σ = 166035756960. Its totient is φ = 39261812480.

The previous prime is 82109046493. The next prime is 82109046533. The reversal of 82109046512 is 21564090128.

It is a super-2 number, since 2×82109046512² (a number of 23 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, 2137814 + ... + 2175882.

It is an arithmetic number, because the mean of its divisors is an integer number (4150893924).

Almost surely, 2^82109046512 is an apocalyptic number.

It is an amenable number.

82109046512 is an abundant number, since it is smaller than the sum of its proper divisors (83926710448).

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

82109046512 is a wasteful number, since it uses less digits than its factorization.

82109046512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43961 (or 43955 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 82109046512 in words is "eighty-two billion, one hundred nine million, forty-six thousand, five hundred twelve".