878767712270215 has 32 divisors (see below), whose sum is σ = 1058024083003776. Its totient is φ = 700683296839680.

The previous prime is 878767712270191. The next prime is 878767712270221. The reversal of 878767712270215 is 512072217767878.

It is not a de Polignac number, because 878767712270215 - 2⁷ = 878767712270087 is a prime.

It is a super-2 number, since 2×878767712270215² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

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, 5755503675 + ... + 5755656355.

It is an arithmetic number, because the mean of its divisors is an integer number (33063252593868).

Almost surely, 2^{878767712270215} is an apocalyptic number.

878767712270215 is a deficient number, since it is larger than the sum of its proper divisors (179256370733561).

878767712270215 is a wasteful number, since it uses less digits than its factorization.

878767712270215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156219.

The product of its (nonzero) digits is 258155520, while the sum is 70.

The spelling of 878767712270215 in words is "eight hundred seventy-eight trillion, seven hundred sixty-seven billion, seven hundred twelve million, two hundred seventy thousand, two hundred fifteen".