8863997953 has 2 divisors, whose sum is σ = 8863997954. Its totient is φ = 8863997952.

The previous prime is 8863997951. The next prime is 8863998001. The reversal of 8863997953 is 3597993688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5977299969 + 2886697984 = 77313^2 + 53728^2 .

It is a cyclic number.

It is not a de Polignac number, because 8863997953 - 2¹ = 8863997951 is a prime.

Together with 8863997951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8863997951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4431998976 + 4431998977.

It is an arithmetic number, because the mean of its divisors is an integer number (4431998977).

Almost surely, 2^8863997953 is an apocalyptic number.

It is an amenable number.

8863997953 is a deficient number, since it is larger than the sum of its proper divisors (1).

8863997953 is an equidigital number, since it uses as much as digits as its factorization.

8863997953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 67.

The square root of 8863997953 is about 94148.8074964309. The cubic root of 8863997953 is about 2069.5529815689.

The spelling of 8863997953 in words is "eight billion, eight hundred sixty-three million, nine hundred ninety-seven thousand, nine hundred fifty-three".