815078098503696 has 160 divisors (see below), whose sum is σ = 2199666400911360. Its totient is φ = 259772738227200.

The previous prime is 815078098503671. The next prime is 815078098503769. The reversal of 815078098503696 is 696305890870518.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168586021 + ... + 173353403.

It is an arithmetic number, because the mean of its divisors is an integer number (13747915005696).

Almost surely, 2^{815078098503696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 815078098503696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099833200455680).

815078098503696 is an abundant number, since it is smaller than the sum of its proper divisors (1384588302407664).

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

815078098503696 is a wasteful number, since it uses less digits than its factorization.

815078098503696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768805 (or 4768799 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 75.

The spelling of 815078098503696 in words is "eight hundred fifteen trillion, seventy-eight billion, ninety-eight million, five hundred three thousand, six hundred ninety-six".