2578050864 has 60 divisors (see below), whose sum is σ = 7528665456. Its totient is φ = 821986176.

The previous prime is 2578050859. The next prime is 2578050877. The reversal of 2578050864 is 4680508752.

2578050864 is a `hidden beast` number, since 2 + 5 + 7 + 80 + 508 + 64 = 666.

It is a super-2 number, since 2×2578050864² = 13292692514742292992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385887 + ... + 392510.

Almost surely, 2^2578050864 is an apocalyptic number.

2578050864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2578050864 is an abundant number, since it is smaller than the sum of its proper divisors (4950614592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2578050864 is a wasteful number, since it uses less digits than its factorization.

2578050864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778434 (or 778425 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 2578050864 is about 50774.5099828644. The cubic root of 2578050864 is about 1371.1884946571.

The spelling of 2578050864 in words is "two billion, five hundred seventy-eight million, fifty thousand, eight hundred sixty-four".