2858463257 has 16 divisors (see below), whose sum is σ = 3154688208. Its totient is φ = 2573725440.

The previous prime is 2858463239. The next prime is 2858463269. The reversal of 2858463257 is 7523648582.

It can be written as a sum of positive squares in 8 ways, for example, as 147282496 + 2711180761 = 12136^2 + 52069^2 .

It is not a de Polignac number, because 2858463257 - 2¹⁴ = 2858446873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2858463217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107207 + ... + 131187.

It is an arithmetic number, because the mean of its divisors is an integer number (197168013).

Almost surely, 2^2858463257 is an apocalyptic number.

It is an amenable number.

2858463257 is a deficient number, since it is larger than the sum of its proper divisors (296224951).

2858463257 is a wasteful number, since it uses less digits than its factorization.

2858463257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24220.

The product of its digits is 3225600, while the sum is 50.

The square root of 2858463257 is about 53464.5981655151. The cubic root of 2858463257 is about 1419.2019679470.

The spelling of 2858463257 in words is "two billion, eight hundred fifty-eight million, four hundred sixty-three thousand, two hundred fifty-seven".