971957234506 has 8 divisors (see below), whose sum is σ = 1457945229060. Its totient is φ = 485975491488.

The previous prime is 971957234491. The next prime is 971957234543. The reversal of 971957234506 is 605432759179.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 656853516225 + 315103718281 = 810465^2 + 561341^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1152661 + ... + 1809016.

Almost surely, 2^971957234506 is an apocalyptic number.

971957234506 is a deficient number, since it is larger than the sum of its proper divisors (485987994554).

971957234506 is a wasteful number, since it uses less digits than its factorization.

971957234506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125768.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 971957234506 in words is "nine hundred seventy-one billion, nine hundred fifty-seven million, two hundred thirty-four thousand, five hundred six".