2872689688 has 32 divisors (see below), whose sum is σ = 5878071360. Its totient is φ = 1305298080.

The previous prime is 2872689637. The next prime is 2872689689. The reversal of 2872689688 is 8869862782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872689689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392995 + ... + 400237.

It is an arithmetic number, because the mean of its divisors is an integer number (183689730).

Almost surely, 2^2872689688 is an apocalyptic number.

It is an amenable number.

2872689688 is an abundant number, since it is smaller than the sum of its proper divisors (3005381672).

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

2872689688 is a wasteful number, since it uses less digits than its factorization.

2872689688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767 (or 11763 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 64.

The square root of 2872689688 is about 53597.4783735205. The cubic root of 2872689688 is about 1421.5525055368.

The spelling of 2872689688 in words is "two billion, eight hundred seventy-two million, six hundred eighty-nine thousand, six hundred eighty-eight".