2864461857 has 8 divisors (see below), whose sum is σ = 3819801984. Its totient is φ = 1909381488.

The previous prime is 2864461849. The next prime is 2864461867. The reversal of 2864461857 is 7581644682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2864461857 - 2³ = 2864461849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2864461867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37558 + ... + 84495.

It is an arithmetic number, because the mean of its divisors is an integer number (477475248).

Almost surely, 2^2864461857 is an apocalyptic number.

It is an amenable number.

2864461857 is a deficient number, since it is larger than the sum of its proper divisors (955340127).

2864461857 is a wasteful number, since it uses less digits than its factorization.

2864461857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129879.

The product of its digits is 2580480, while the sum is 51.

The square root of 2864461857 is about 53520.6675687066. The cubic root of 2864461857 is about 1420.1940250978.

The spelling of 2864461857 in words is "two billion, eight hundred sixty-four million, four hundred sixty-one thousand, eight hundred fifty-seven".