2857587645 has 48 divisors (see below), whose sum is σ = 5165963712. Its totient is φ = 1337656320.

The previous prime is 2857587641. The next prime is 2857587653. The reversal of 2857587645 is 5467857582.

It is not a de Polignac number, because 2857587645 - 2² = 2857587641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857587641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128469 + ... + 149061.

It is an arithmetic number, because the mean of its divisors is an integer number (107624244).

Almost surely, 2^2857587645 is an apocalyptic number.

It is an amenable number.

2857587645 is a deficient number, since it is larger than the sum of its proper divisors (2308376067).

2857587645 is a wasteful number, since it uses less digits than its factorization.

2857587645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20670 (or 20641 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 57.

The square root of 2857587645 is about 53456.4088299990. The cubic root of 2857587645 is about 1419.0570419187.

The spelling of 2857587645 in words is "two billion, eight hundred fifty-seven million, five hundred eighty-seven thousand, six hundred forty-five".