2867854957 has 4 divisors (see below), whose sum is σ = 3128569056. Its totient is φ = 2607140860.

The previous prime is 2867854931. The next prime is 2867854973. The reversal of 2867854957 is 7594587682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2867854957 - 2²⁷ = 2733637229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2867854895 and 2867854904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867854907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130357033 + ... + 130357054.

It is an arithmetic number, because the mean of its divisors is an integer number (782142264).

Almost surely, 2^2867854957 is an apocalyptic number.

It is an amenable number.

2867854957 is a deficient number, since it is larger than the sum of its proper divisors (260714099).

2867854957 is a wasteful number, since it uses less digits than its factorization.

2867854957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260714098.

The product of its digits is 33868800, while the sum is 61.

The square root of 2867854957 is about 53552.3571563381. The cubic root of 2867854957 is about 1420.7545677187.

The spelling of 2867854957 in words is "two billion, eight hundred sixty-seven million, eight hundred fifty-four thousand, nine hundred fifty-seven".