878939457800 has 24 divisors (see below), whose sum is σ = 2043534239850. Its totient is φ = 351575783040.

The previous prime is 878939457787. The next prime is 878939457811. The reversal of 878939457800 is 8754939878.

It can be written as a sum of positive squares in 3 ways, for example, as 617415634564 + 261523823236 = 785758^2 + 511394^2 .

It is a super-3 number, since 3×878939457800³ (a number of 37 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2197348445 + ... + 2197348844.

Almost surely, 2^878939457800 is an apocalyptic number.

It is an amenable number.

878939457800 is an abundant number, since it is smaller than the sum of its proper divisors (1164594782050).

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

878939457800 is a wasteful number, since it uses less digits than its factorization.

878939457800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394697305 (or 4394697296 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 878939457800 in words is "eight hundred seventy-eight billion, nine hundred thirty-nine million, four hundred fifty-seven thousand, eight hundred".