2578070636 has 24 divisors (see below), whose sum is σ = 4610371584. Its totient is φ = 1261123920.

The previous prime is 2578070629. The next prime is 2578070653. The reversal of 2578070636 is 6360708752.

2578070636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 71891.

It is an arithmetic number, because the mean of its divisors is an integer number (192098816).

Almost surely, 2^2578070636 is an apocalyptic number.

It is an amenable number.

2578070636 is a deficient number, since it is larger than the sum of its proper divisors (2032300948).

2578070636 is a wasteful number, since it uses less digits than its factorization.

2578070636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75581 (or 75579 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 2578070636 is about 50774.7046864873. The cubic root of 2578070636 is about 1371.1920000275.

The spelling of 2578070636 in words is "two billion, five hundred seventy-eight million, seventy thousand, six hundred thirty-six".