971622376 has 8 divisors (see below), whose sum is σ = 1821791970. Its totient is φ = 485811184.

The previous prime is 971622347. The next prime is 971622383. The reversal of 971622376 is 673226179.

It can be written as a sum of positive squares in only one way, i.e., 802362276 + 169260100 = 28326^2 + 13010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726391 + ... + 60726406.

Almost surely, 2^971622376 is an apocalyptic number.

It is an amenable number.

971622376 is a deficient number, since it is larger than the sum of its proper divisors (850169594).

971622376 is a wasteful number, since it uses less digits than its factorization.

971622376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121452803 (or 121452799 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 971622376 is about 31170.8578001954. The cubic root of 971622376 is about 990.4498774994.

The spelling of 971622376 in words is "nine hundred seventy-one million, six hundred twenty-two thousand, three hundred seventy-six".