5997477561 has 8 divisors (see below), whose sum is σ = 7997496000. Its totient is φ = 3997888752.

The previous prime is 5997477557. The next prime is 5997477587. The reversal of 5997477561 is 1657747995.

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

It is not a de Polignac number, because 5997477561 - 2² = 5997477557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5997477495 and 5997477504.

It is not an unprimeable number, because it can be changed into a prime (5997476561) 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, 73285 + ... + 131778.

It is an arithmetic number, because the mean of its divisors is an integer number (999687000).

Almost surely, 2^5997477561 is an apocalyptic number.

It is an amenable number.

5997477561 is a deficient number, since it is larger than the sum of its proper divisors (2000018439).

5997477561 is a wasteful number, since it uses less digits than its factorization.

5997477561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214815.

The product of its digits is 16669800, while the sum is 60.

The square root of 5997477561 is about 77443.3829387637. The cubic root of 5997477561 is about 1816.8659140364.

The spelling of 5997477561 in words is "five billion, nine hundred ninety-seven million, four hundred seventy-seven thousand, five hundred sixty-one".