5261615764 has 12 divisors (see below), whose sum is σ = 9210801600. Its totient is φ = 2629958168.

The previous prime is 5261615761. The next prime is 5261615791. The reversal of 5261615764 is 4675161625.

It is a self number, because there is not a number n which added to its sum of digits gives 5261615764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261615761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198394 + ... + 223345.

It is an arithmetic number, because the mean of its divisors is an integer number (767566800).

Almost surely, 2^5261615764 is an apocalyptic number.

It is an amenable number.

5261615764 is a deficient number, since it is larger than the sum of its proper divisors (3949185836).

5261615764 is a wasteful number, since it uses less digits than its factorization.

5261615764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424862 (or 424860 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 5261615764 is about 72536.9958297144. The cubic root of 5261615764 is about 1739.2941784285.

The spelling of 5261615764 in words is "five billion, two hundred sixty-one million, six hundred fifteen thousand, seven hundred sixty-four".