2872871667 has 24 divisors (see below), whose sum is σ = 4495995504. Its totient is φ = 1760661504.

The previous prime is 2872871657. The next prime is 2872871669. The reversal of 2872871667 is 7661782782.

It is a happy number.

It is not a de Polignac number, because 2872871667 - 2⁸ = 2872871411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2872871669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211758 + ... + 224915.

It is an arithmetic number, because the mean of its divisors is an integer number (187333146).

Almost surely, 2^2872871667 is an apocalyptic number.

2872871667 is a deficient number, since it is larger than the sum of its proper divisors (1623123837).

2872871667 is a wasteful number, since it uses less digits than its factorization.

2872871667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436739 (or 436736 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 2872871667 is about 53599.1759918005. The cubic root of 2872871667 is about 1421.5825223815.

The spelling of 2872871667 in words is "two billion, eight hundred seventy-two million, eight hundred seventy-one thousand, six hundred sixty-seven".