878020325715 has 32 divisors (see below), whose sum is σ = 1513333846080. Its totient is φ = 432131222016.

The previous prime is 878020325669. The next prime is 878020325723. The reversal of 878020325715 is 517523020878.

It is not a de Polignac number, because 878020325715 - 2¹⁰ = 878020324691 is a prime.

It is a super-2 number, since 2×878020325715² (a number of 25 digits) contains 22 as substring.

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, 27469 + ... + 1325441.

It is an arithmetic number, because the mean of its divisors is an integer number (47291682690).

Almost surely, 2^878020325715 is an apocalyptic number.

878020325715 is a deficient number, since it is larger than the sum of its proper divisors (635313520365).

878020325715 is a wasteful number, since it uses less digits than its factorization.

878020325715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301463.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 878020325715 in words is "eight hundred seventy-eight billion, twenty million, three hundred twenty-five thousand, seven hundred fifteen".