972262279 has 4 divisors (see below), whose sum is σ = 1014534576. Its totient is φ = 929989984.

The previous prime is 972262261. The next prime is 972262297.

972262279 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (972262261) and next prime (972262297).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972262279 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 (972262229) 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, 21136114 + ... + 21136159.

It is an arithmetic number, because the mean of its divisors is an integer number (253633644).

Almost surely, 2^972262279 is an apocalyptic number.

972262279 is a deficient number, since it is larger than the sum of its proper divisors (42272297).

972262279 is a wasteful number, since it uses less digits than its factorization.

972262279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42272296.

The product of its digits is 381024, while the sum is 46.

The square root of 972262279 is about 31181.1205539506. The cubic root of 972262279 is about 990.6672639991.

The spelling of 972262279 in words is "nine hundred seventy-two million, two hundred sixty-two thousand, two hundred seventy-nine".