971197455 has 16 divisors (see below), whose sum is σ = 1554537600. Its totient is φ = 517764768.

The previous prime is 971197399. The next prime is 971197457. The reversal of 971197455 is 554791179.

It is not a de Polignac number, because 971197455 - 2⁶ = 971197391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971197457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30496 + ... + 53594.

It is an arithmetic number, because the mean of its divisors is an integer number (97158600).

Almost surely, 2^971197455 is an apocalyptic number.

971197455 is a deficient number, since it is larger than the sum of its proper divisors (583340145).

971197455 is a wasteful number, since it uses less digits than its factorization.

971197455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25910.

The product of its digits is 396900, while the sum is 48.

The square root of 971197455 is about 31164.0410569618. The cubic root of 971197455 is about 990.3054714935.

The spelling of 971197455 in words is "nine hundred seventy-one million, one hundred ninety-seven thousand, four hundred fifty-five".