82874522087 has 12 divisors (see below), whose sum is σ = 97080188208. Its totient is φ = 69302726400.

The previous prime is 82874522051. The next prime is 82874522131. The reversal of 82874522087 is 78022547828.

It is not a de Polignac number, because 82874522087 - 2⁶ = 82874522023 is a prime.

It is a super-2 number, since 2×82874522087² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82874524087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3509714 + ... + 3533247.

It is an arithmetic number, because the mean of its divisors is an integer number (8090015684).

Almost surely, 2^82874522087 is an apocalyptic number.

82874522087 is a deficient number, since it is larger than the sum of its proper divisors (14205666121).

82874522087 is an equidigital number, since it uses as much as digits as its factorization.

82874522087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043050 (or 7043009 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 53.

The spelling of 82874522087 in words is "eighty-two billion, eight hundred seventy-four million, five hundred twenty-two thousand, eighty-seven".