878875619790 has 96 divisors (see below), whose sum is σ = 2560773510144. Its totient is φ = 189069027840.

The previous prime is 878875619789. The next prime is 878875619813. The reversal of 878875619790 is 97916578878.

It is a happy number.

It is a super-2 number, since 2×878875619790² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7180006 + ... + 7301385.

It is an arithmetic number, because the mean of its divisors is an integer number (26674724064).

Almost surely, 2^878875619790 is an apocalyptic number.

878875619790 is an abundant number, since it is smaller than the sum of its proper divisors (1681897890354).

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

878875619790 is a wasteful number, since it uses less digits than its factorization.

878875619790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481442 (or 14481425 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 75.

The spelling of 878875619790 in words is "eight hundred seventy-eight billion, eight hundred seventy-five million, six hundred nineteen thousand, seven hundred ninety".