972896863 has 2 divisors, whose sum is σ = 972896864. Its totient is φ = 972896862.

The previous prime is 972896819. The next prime is 972896879. The reversal of 972896863 is 368698279.

It is a strong prime.

It is an emirp because it is prime and its reverse (368698279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972896863 - 2¹⁷ = 972765791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972896798 and 972896807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972896063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486448431 + 486448432.

It is an arithmetic number, because the mean of its divisors is an integer number (486448432).

Almost surely, 2^972896863 is an apocalyptic number.

972896863 is a deficient number, since it is larger than the sum of its proper divisors (1).

972896863 is an equidigital number, since it uses as much as digits as its factorization.

972896863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 58.

The square root of 972896863 is about 31191.2946669419. The cubic root of 972896863 is about 990.8827493624.

The spelling of 972896863 in words is "nine hundred seventy-two million, eight hundred ninety-six thousand, eight hundred sixty-three".