971896965 has 64 divisors (see below), whose sum is σ = 1769349120. Its totient is φ = 452148480.

The previous prime is 971896931. The next prime is 971896967. The reversal of 971896965 is 569698179.

It is not a de Polignac number, because 971896965 - 2¹⁰ = 971895941 is a prime.

It is a super-2 number, since 2×971896965² = 1889167421152422450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 971896899 and 971896908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971896967) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258066 + ... + 261804.

It is an arithmetic number, because the mean of its divisors is an integer number (27646080).

Almost surely, 2^971896965 is an apocalyptic number.

It is an amenable number.

971896965 is a deficient number, since it is larger than the sum of its proper divisors (797452155).

971896965 is a wasteful number, since it uses less digits than its factorization.

971896965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834.

The product of its digits is 7348320, while the sum is 60.

The square root of 971896965 is about 31175.2620678640. The cubic root of 971896965 is about 990.5431719836.

The spelling of 971896965 in words is "nine hundred seventy-one million, eight hundred ninety-six thousand, nine hundred sixty-five".