2875661631 has 12 divisors (see below), whose sum is σ = 4161682408. Its totient is φ = 1913439024.

The previous prime is 2875661617. The next prime is 2875661669. The reversal of 2875661631 is 1361665782.

2875661631 is a `hidden beast` number, since 2 + 8 + 7 + 5 + 6 + 6 + 1 + 631 = 666.

It is not a de Polignac number, because 2875661631 - 2¹⁰ = 2875660607 is a prime.

It is a super-2 number, since 2×2875661631² = 16538859632011160322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2875661531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300760 + ... + 310173.

Almost surely, 2^2875661631 is an apocalyptic number.

2875661631 is a deficient number, since it is larger than the sum of its proper divisors (1286020777).

2875661631 is a wasteful number, since it uses less digits than its factorization.

2875661631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611462 (or 611459 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 2875661631 is about 53625.1958597822. The cubic root of 2875661631 is about 1422.0425592727.

The spelling of 2875661631 in words is "two billion, eight hundred seventy-five million, six hundred sixty-one thousand, six hundred thirty-one".