82424430475815 has 16 divisors (see below), whose sum is σ = 131945459764608. Its totient is φ = 43937572586016.

The previous prime is 82424430475813. The next prime is 82424430475823. The reversal of 82424430475815 is 51857403442428.

It is not a de Polignac number, because 82424430475815 - 2¹ = 82424430475813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82424430475813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382698437 + ... + 1382758046.

It is an arithmetic number, because the mean of its divisors is an integer number (8246591235288).

Almost surely, 2^{82424430475815} is an apocalyptic number.

82424430475815 is a deficient number, since it is larger than the sum of its proper divisors (49521029288793).

82424430475815 is a wasteful number, since it uses less digits than its factorization.

82424430475815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765458478.

The product of its (nonzero) digits is 34406400, while the sum is 57.

The spelling of 82424430475815 in words is "eighty-two trillion, four hundred twenty-four billion, four hundred thirty million, four hundred seventy-five thousand, eight hundred fifteen".