974797563 has 16 divisors (see below), whose sum is σ = 1310356736. Its totient is φ = 644565600.

The previous prime is 974797559. The next prime is 974797631. The reversal of 974797563 is 365797479.

It is not a de Polignac number, because 974797563 - 2² = 974797559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974797163) 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, 398781 + ... + 401217.

It is an arithmetic number, because the mean of its divisors is an integer number (81897296).

Almost surely, 2^974797563 is an apocalyptic number.

974797563 is a deficient number, since it is larger than the sum of its proper divisors (335559173).

974797563 is a wasteful number, since it uses less digits than its factorization.

974797563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474.

The product of its digits is 10001880, while the sum is 57.

The square root of 974797563 is about 31221.7482374066. The cubic root of 974797563 is about 991.5276089771.

The spelling of 974797563 in words is "nine hundred seventy-four million, seven hundred ninety-seven thousand, five hundred sixty-three".