5266799864 has 16 divisors (see below), whose sum is σ = 9878419320. Its totient is φ = 2632554720.

The previous prime is 5266799861. The next prime is 5266799873. The reversal of 5266799864 is 4689976625.

It is a junction number, because it is equal to n+sod(n) for n = 5266799797 and 5266799806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266799861) 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, 78767 + ... + 129374.

Almost surely, 2^5266799864 is an apocalyptic number.

It is an amenable number.

5266799864 is a deficient number, since it is larger than the sum of its proper divisors (4611619456).

5266799864 is a wasteful number, since it uses less digits than its factorization.

5266799864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211310 (or 211306 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 62.

The square root of 5266799864 is about 72572.7212112099. The cubic root of 5266799864 is about 1739.8652143799.

The spelling of 5266799864 in words is "five billion, two hundred sixty-six million, seven hundred ninety-nine thousand, eight hundred sixty-four".