2578870719 has 24 divisors (see below), whose sum is σ = 3742215152. Its totient is φ = 1711342080.

The previous prime is 2578870711. The next prime is 2578870739. The reversal of 2578870719 is 9170788752.

It is a happy number.

It is not a de Polignac number, because 2578870719 - 2³ = 2578870711 is a prime.

It is a super-2 number, since 2×2578870719² = 13301148370631153922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578870711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3276444 + ... + 3277230.

Almost surely, 2^2578870719 is an apocalyptic number.

2578870719 is a deficient number, since it is larger than the sum of its proper divisors (1163344433).

2578870719 is a wasteful number, since it uses less digits than its factorization.

2578870719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The square root of 2578870719 is about 50782.5828311243. The cubic root of 2578870719 is about 1371.3338314065. Note that the first 3 decimals are identical.

The spelling of 2578870719 in words is "two billion, five hundred seventy-eight million, eight hundred seventy thousand, seven hundred nineteen".