971496837 has 24 divisors (see below), whose sum is σ = 1439451000. Its totient is φ = 631133568.

The previous prime is 971496829. The next prime is 971496853. The reversal of 971496837 is 738694179.

It is a happy number.

971496837 is a `hidden beast` number, since 9 + 71 + 496 + 83 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 163175076 + 808321761 = 12774^2 + 28431^2 .

It is not a de Polignac number, because 971496837 - 2³ = 971496829 is a prime.

It is a super-2 number, since 2×971496837² = 1887612208602009138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971496857) by changing a digit.

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, 64239 + ... + 77907.

It is an arithmetic number, because the mean of its divisors is an integer number (59977125).

Almost surely, 2^971496837 is an apocalyptic number.

It is an amenable number.

971496837 is a deficient number, since it is larger than the sum of its proper divisors (467954163).

971496837 is a wasteful number, since it uses less digits than its factorization.

971496837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877 (or 13874 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 971496837 is about 31168.8440112879. The cubic root of 971496837 is about 990.4072184562.

The spelling of 971496837 in words is "nine hundred seventy-one million, four hundred ninety-six thousand, eight hundred thirty-seven".