971572959382 has 16 divisors (see below), whose sum is σ = 1479151365552. Its totient is φ = 478522899360.

The previous prime is 971572959377. The next prime is 971572959403. The reversal of 971572959382 is 283959275179.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6455832 + ... + 6604612.

It is an arithmetic number, because the mean of its divisors is an integer number (92446960347).

Almost surely, 2^971572959382 is an apocalyptic number.

971572959382 is a deficient number, since it is larger than the sum of its proper divisors (507578406170).

971572959382 is a wasteful number, since it uses less digits than its factorization.

971572959382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197583.

The product of its digits is 85730400, while the sum is 67.

The spelling of 971572959382 in words is "nine hundred seventy-one billion, five hundred seventy-two million, nine hundred fifty-nine thousand, three hundred eighty-two".