2858640487 has 4 divisors (see below), whose sum is σ = 2861247456. Its totient is φ = 2856033520.

The previous prime is 2858640467. The next prime is 2858640523. The reversal of 2858640487 is 7840468582.

It is a happy number.

2858640487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2858640487 - 2³¹ = 711156839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858640427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301839 + ... + 1304032.

It is an arithmetic number, because the mean of its divisors is an integer number (715311864).

Almost surely, 2^2858640487 is an apocalyptic number.

2858640487 is a deficient number, since it is larger than the sum of its proper divisors (2606969).

2858640487 is a wasteful number, since it uses less digits than its factorization.

2858640487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606968.

The product of its (nonzero) digits is 3440640, while the sum is 52.

The square root of 2858640487 is about 53466.2555917281. The cubic root of 2858640487 is about 1419.2312983884.

The spelling of 2858640487 in words is "two billion, eight hundred fifty-eight million, six hundred forty thousand, four hundred eighty-seven".