972545279 has 8 divisors (see below), whose sum is σ = 986572272. Its totient is φ = 958573440.

The previous prime is 972545263. The next prime is 972545293.

972545279 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 972545279 - 2⁴ = 972545263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972545239) 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, 22409 + ... + 49469.

It is an arithmetic number, because the mean of its divisors is an integer number (123321534).

Almost surely, 2^972545279 is an apocalyptic number.

972545279 is a deficient number, since it is larger than the sum of its proper divisors (14026993).

972545279 is a wasteful number, since it uses less digits than its factorization.

972545279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27577.

The product of its digits is 1587600, while the sum is 50.

The square root of 972545279 is about 31185.6582261783. The cubic root of 972545279 is about 990.7633737438.

The spelling of 972545279 in words is "nine hundred seventy-two million, five hundred forty-five thousand, two hundred seventy-nine".