878766820005373 has 24 divisors (see below), whose sum is σ = 1022346479115360. Its totient is φ = 750513636407040.

The previous prime is 878766820005329. The next prime is 878766820005409. The reversal of 878766820005373 is 373500028667878.

It is not a de Polignac number, because 878766820005373 - 2¹⁷ = 878766819874301 is a prime.

It is a super-2 number, since 2×878766820005373² (a number of 31 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878766820000373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981991923 + ... + 1982435248.

It is an arithmetic number, because the mean of its divisors is an integer number (42597769963140).

Almost surely, 2^{878766820005373} is an apocalyptic number.

It is an amenable number.

878766820005373 is a deficient number, since it is larger than the sum of its proper divisors (143579659109987).

878766820005373 is a wasteful number, since it uses less digits than its factorization.

878766820005373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964427277 (or 3964427260 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 70.

The spelling of 878766820005373 in words is "eight hundred seventy-eight trillion, seven hundred sixty-six billion, eight hundred twenty million, five thousand, three hundred seventy-three".