2007885861 has 32 divisors (see below), whose sum is σ = 3161790720. Its totient is φ = 1254984192.

The previous prime is 2007885833. The next prime is 2007885877. The reversal of 2007885861 is 1685887002.

It is not a de Polignac number, because 2007885861 - 2⁶ = 2007885797 is a prime.

It is a super-2 number, since 2×2007885861² = 8063211261607422642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007885881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112401 + ... + 129033.

It is an arithmetic number, because the mean of its divisors is an integer number (98805960).

Almost surely, 2^2007885861 is an apocalyptic number.

It is an amenable number.

2007885861 is a deficient number, since it is larger than the sum of its proper divisors (1153904859).

2007885861 is a wasteful number, since it uses less digits than its factorization.

2007885861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16922 (or 16916 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 2007885861 is about 44809.4394184975. The cubic root of 2007885861 is about 1261.5748052931.

The spelling of 2007885861 in words is "two billion, seven million, eight hundred eighty-five thousand, eight hundred sixty-one".