886887121972 has 12 divisors (see below), whose sum is σ = 1553051864196. Its totient is φ = 443158017920.

The previous prime is 886887121909. The next prime is 886887121987. The reversal of 886887121972 is 279121788688.

It can be written as a sum of positive squares in 2 ways, for example, as 382213278756 + 504673843216 = 618234^2 + 710404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 886887121898 and 886887121907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71378779 + ... + 71391202.

It is an arithmetic number, because the mean of its divisors is an integer number (129420988683).

Almost surely, 2^886887121972 is an apocalyptic number.

It is an amenable number.

886887121972 is a deficient number, since it is larger than the sum of its proper divisors (666164742224).

886887121972 is a wasteful number, since it uses less digits than its factorization.

886887121972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142771538 (or 142771536 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 67.

The spelling of 886887121972 in words is "eight hundred eighty-six billion, eight hundred eighty-seven million, one hundred twenty-one thousand, nine hundred seventy-two".