5215776765 has 8 divisors (see below), whose sum is σ = 8345242848. Its totient is φ = 2781747600.

The previous prime is 5215776679. The next prime is 5215776793. The reversal of 5215776765 is 5676775125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5215776765 - 2⁹ = 5215776253 is a prime.

It is a congruent number.

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, 173859211 + ... + 173859240.

It is an arithmetic number, because the mean of its divisors is an integer number (1043155356).

Almost surely, 2^5215776765 is an apocalyptic number.

It is an amenable number.

5215776765 is a deficient number, since it is larger than the sum of its proper divisors (3129466083).

5215776765 is a wasteful number, since it uses less digits than its factorization.

5215776765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347718459.

The product of its digits is 3087000, while the sum is 51.

The square root of 5215776765 is about 72220.3348441421. The cubic root of 5215776765 is about 1734.2285507769.

The spelling of 5215776765 in words is "five billion, two hundred fifteen million, seven hundred seventy-six thousand, seven hundred sixty-five".