974154897 has 16 divisors (see below), whose sum is σ = 1454561280. Its totient is φ = 644320656.

The previous prime is 974154889. The next prime is 974154917. The reversal of 974154897 is 798451479.

974154897 is a `hidden beast` number, since 9 + 7 + 4 + 1 + 548 + 97 = 666.

It is not a de Polignac number, because 974154897 - 2³ = 974154889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (974154877) 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, 138618 + ... + 145475.

It is an arithmetic number, because the mean of its divisors is an integer number (90910080).

Almost surely, 2^974154897 is an apocalyptic number.

It is an amenable number.

974154897 is a deficient number, since it is larger than the sum of its proper divisors (480406383).

974154897 is a wasteful number, since it uses less digits than its factorization.

974154897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284229 (or 284223 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 974154897 is about 31211.4545800096. The cubic root of 974154897 is about 991.3096624708.

The spelling of 974154897 in words is "nine hundred seventy-four million, one hundred fifty-four thousand, eight hundred ninety-seven".