85874820676815 has 32 divisors (see below), whose sum is σ = 139454416385280. Its totient is φ = 45115042097664.

The previous prime is 85874820676769. The next prime is 85874820676823. The reversal of 85874820676815 is 51867602847858.

It is not a de Polignac number, because 85874820676815 - 2⁸ = 85874820676559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34711872 + ... + 37103418.

It is an arithmetic number, because the mean of its divisors is an integer number (4357950512040).

Almost surely, 2^{85874820676815} is an apocalyptic number.

85874820676815 is a deficient number, since it is larger than the sum of its proper divisors (53579595708465).

85874820676815 is a wasteful number, since it uses less digits than its factorization.

85874820676815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427351.

The product of its (nonzero) digits is 1445068800, while the sum is 75.

The spelling of 85874820676815 in words is "eighty-five trillion, eight hundred seventy-four billion, eight hundred twenty million, six hundred seventy-six thousand, eight hundred fifteen".