975545579 has 4 divisors (see below), whose sum is σ = 975959400. Its totient is φ = 975131760.

The previous prime is 975545533. The next prime is 975545581.

It is a happy number.

975545579 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 975545579 - 2²⁸ = 707110123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (975535579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203354 + ... + 208095.

It is an arithmetic number, because the mean of its divisors is an integer number (243989850).

Almost surely, 2^975545579 is an apocalyptic number.

975545579 is a deficient number, since it is larger than the sum of its proper divisors (413821).

975545579 is a wasteful number, since it uses less digits than its factorization.

975545579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413820.

The product of its digits is 9922500, while the sum is 56.

The square root of 975545579 is about 31233.7250260035. The cubic root of 975545579 is about 991.7811620957.

The spelling of 975545579 in words is "nine hundred seventy-five million, five hundred forty-five thousand, five hundred seventy-nine".