972895563 has 16 divisors (see below), whose sum is σ = 1442277760. Its totient is φ = 648169128.

The previous prime is 972895549. The next prime is 972895571. The reversal of 972895563 is 365598279.

972895563 is a `hidden beast` number, since 9 + 7 + 2 + 89 + 556 + 3 = 666.

It is not a de Polignac number, because 972895563 - 2¹³ = 972887371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972896563) 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 15 ways as a sum of consecutive naturals, for example, 32856 + ... + 55002.

It is an arithmetic number, because the mean of its divisors is an integer number (90142360).

Almost surely, 2^972895563 is an apocalyptic number.

972895563 is a deficient number, since it is larger than the sum of its proper divisors (469382197).

972895563 is a wasteful number, since it uses less digits than its factorization.

972895563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23783 (or 23777 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 972895563 is about 31191.2738277872. The cubic root of 972895563 is about 990.8823080178.

The spelling of 972895563 in words is "nine hundred seventy-two million, eight hundred ninety-five thousand, five hundred sixty-three".