5064639786 has 24 divisors (see below), whose sum is σ = 11009142144. Its totient is φ = 1682712360.

The previous prime is 5064639781. The next prime is 5064639793. The reversal of 5064639786 is 6879364605.

5064639786 is a `hidden beast` number, since 506 + 4 + 63 + 9 + 78 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (5064639781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452730 + ... + 463781.

It is an arithmetic number, because the mean of its divisors is an integer number (458714256).

Almost surely, 2^5064639786 is an apocalyptic number.

5064639786 is an abundant number, since it is smaller than the sum of its proper divisors (5944502358).

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

5064639786 is a wasteful number, since it uses less digits than its factorization.

5064639786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916826 (or 916823 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 5064639786 is about 71166.2826484565. The cubic root of 5064639786 is about 1717.3132501002.

The spelling of 5064639786 in words is "five billion, sixty-four million, six hundred thirty-nine thousand, seven hundred eighty-six".