971622975 has 24 divisors (see below), whose sum is σ = 1626760960. Its totient is φ = 511636320.

The previous prime is 971622959. The next prime is 971622991. The reversal of 971622975 is 579226179.

It is an interprime number because it is at equal distance from previous prime (971622959) and next prime (971622991).

It is not a de Polignac number, because 971622975 - 2⁴ = 971622959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 76069 + ... + 87918.

Almost surely, 2^971622975 is an apocalyptic number.

971622975 is a deficient number, since it is larger than the sum of its proper divisors (655137985).

971622975 is a wasteful number, since it uses less digits than its factorization.

971622975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164079 (or 164074 counting only the distinct ones).

The product of its digits is 476280, while the sum is 48.

The square root of 971622975 is about 31170.8674085275. The cubic root of 971622975 is about 990.4500810350.

The spelling of 971622975 in words is "nine hundred seventy-one million, six hundred twenty-two thousand, nine hundred seventy-five".