877503800872 has 8 divisors (see below), whose sum is σ = 1645319626650. Its totient is φ = 438751900432.

The previous prime is 877503800861. The next prime is 877503800881. The reversal of 877503800872 is 278008305778.

It can be written as a sum of positive squares in only one way, i.e., 855414112996 + 22089687876 = 924886^2 + 148626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 54843987547 + ... + 54843987562.

Almost surely, 2^877503800872 is an apocalyptic number.

It is an amenable number.

877503800872 is a deficient number, since it is larger than the sum of its proper divisors (767815825778).

877503800872 is a wasteful number, since it uses less digits than its factorization.

877503800872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109687975115 (or 109687975111 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 877503800872 in words is "eight hundred seventy-seven billion, five hundred three million, eight hundred thousand, eight hundred seventy-two".