878230786032720 has 140 divisors (see below), whose sum is σ = 3061429395588756. Its totient is φ = 234194876259840.

The previous prime is 878230786032623. The next prime is 878230786032763. The reversal of 878230786032720 is 27230687032878.

878230786032720 is a `hidden beast` number, since 8 + 7 + 8 + 230 + 78 + 6 + 0 + 327 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 610876108264464 + 267354677768256 = 24715908^2 + 16350984^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7529355141 + ... + 7529471780.

Almost surely, 2^{878230786032720} is an apocalyptic number.

878230786032720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

878230786032720 is an abundant number, since it is smaller than the sum of its proper divisors (2183198609556036).

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

878230786032720 is a wasteful number, since it uses less digits than its factorization.

878230786032720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15058826952 (or 15058826931 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 878230786032720 in words is "eight hundred seventy-eight trillion, two hundred thirty billion, seven hundred eighty-six million, thirty-two thousand, seven hundred twenty".