972646279 has 12 divisors (see below), whose sum is σ = 1131998112. Its totient is φ = 832208960.

The previous prime is 972646267. The next prime is 972646289.

It is a happy number.

972646279 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 972646279 - 2¹³ = 972638087 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 (972646219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234367 + ... + 238480.

It is an arithmetic number, because the mean of its divisors is an integer number (94333176).

Almost surely, 2^972646279 is an apocalyptic number.

972646279 is a deficient number, since it is larger than the sum of its proper divisors (159351833).

972646279 is a wasteful number, since it uses less digits than its factorization.

972646279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472886 (or 472875 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 972646279 is about 31187.2775182445. The cubic root of 972646279 is about 990.7976698803.

The spelling of 972646279 in words is "nine hundred seventy-two million, six hundred forty-six thousand, two hundred seventy-nine".