2872661767 has 4 divisors (see below), whose sum is σ = 2872778616. Its totient is φ = 2872544920.

The previous prime is 2872661749. The next prime is 2872661773. The reversal of 2872661767 is 7671662782.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2872661767 - 2²⁷ = 2738444039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872661707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5668 + ... + 76009.

It is an arithmetic number, because the mean of its divisors is an integer number (718194654).

Almost surely, 2^2872661767 is an apocalyptic number.

2872661767 is a deficient number, since it is larger than the sum of its proper divisors (116849).

2872661767 is an equidigital number, since it uses as much as digits as its factorization.

2872661767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116848.

The product of its digits is 2370816, while the sum is 52.

The square root of 2872661767 is about 53597.2179035442. The cubic root of 2872661767 is about 1421.5478999464.

The spelling of 2872661767 in words is "two billion, eight hundred seventy-two million, six hundred sixty-one thousand, seven hundred sixty-seven".