5977716521 has 8 divisors (see below), whose sum is σ = 7191238080. Its totient is φ = 4854085488.

The previous prime is 5977716517. The next prime is 5977716527. The reversal of 5977716521 is 1256177795.

It is a happy number.

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

It is not a de Polignac number, because 5977716521 - 2² = 5977716517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5977716521.

It is not an unprimeable number, because it can be changed into a prime (5977716527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22472486 + ... + 22472751.

It is an arithmetic number, because the mean of its divisors is an integer number (898904760).

Almost surely, 2^5977716521 is an apocalyptic number.

It is an amenable number.

5977716521 is a deficient number, since it is larger than the sum of its proper divisors (1213521559).

5977716521 is a wasteful number, since it uses less digits than its factorization.

5977716521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44945263.

The product of its digits is 926100, while the sum is 50.

The square root of 5977716521 is about 77315.6938855237. The cubic root of 5977716521 is about 1814.8682595048.

The spelling of 5977716521 in words is "five billion, nine hundred seventy-seven million, seven hundred sixteen thousand, five hundred twenty-one".