5259872765 has 32 divisors (see below), whose sum is σ = 7551221760. Its totient is φ = 3441211200.

The previous prime is 5259872759. The next prime is 5259872843. The reversal of 5259872765 is 5672789525.

It is a happy number.

It is not a de Polignac number, because 5259872765 - 2⁴ = 5259872749 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5259872765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42896 + ... + 111174.

It is an arithmetic number, because the mean of its divisors is an integer number (235975680).

Almost surely, 2^5259872765 is an apocalyptic number.

It is an amenable number.

5259872765 is a deficient number, since it is larger than the sum of its proper divisors (2291348995).

5259872765 is a wasteful number, since it uses less digits than its factorization.

5259872765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68393.

The product of its digits is 10584000, while the sum is 56.

The square root of 5259872765 is about 72524.9802826585. The cubic root of 5259872765 is about 1739.1021003695.

The spelling of 5259872765 in words is "five billion, two hundred fifty-nine million, eight hundred seventy-two thousand, seven hundred sixty-five".