2879383257 has 12 divisors (see below), whose sum is σ = 4165486884. Its totient is φ = 1916645280.

The previous prime is 2879383249. The next prime is 2879383259. The reversal of 2879383257 is 7523839782.

2879383257 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 383 + 257 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1458017856 + 1421365401 = 38184^2 + 37701^2 .

It is not a de Polignac number, because 2879383257 - 2³ = 2879383249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2879383259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239094 + ... + 250847.

It is an arithmetic number, because the mean of its divisors is an integer number (347123907).

Almost surely, 2^2879383257 is an apocalyptic number.

It is an amenable number.

2879383257 is a deficient number, since it is larger than the sum of its proper divisors (1286103627).

2879383257 is a wasteful number, since it uses less digits than its factorization.

2879383257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490600 (or 490597 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 2879383257 is about 53659.8849886952. The cubic root of 2879383257 is about 1422.6557548675.

The spelling of 2879383257 in words is "two billion, eight hundred seventy-nine million, three hundred eighty-three thousand, two hundred fifty-seven".