869897153 has 2 divisors, whose sum is σ = 869897154. Its totient is φ = 869897152.

The previous prime is 869897141. The next prime is 869897173. The reversal of 869897153 is 351798968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603783184 + 266113969 = 24572^2 + 16313^2 .

It is a cyclic number.

It is not a de Polignac number, because 869897153 - 2¹⁰ = 869896129 is a prime.

It is not a weakly prime, because it can be changed into another prime (869897173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434948576 + 434948577.

It is an arithmetic number, because the mean of its divisors is an integer number (434948577).

Almost surely, 2^869897153 is an apocalyptic number.

It is an amenable number.

869897153 is a deficient number, since it is larger than the sum of its proper divisors (1).

869897153 is an equidigital number, since it uses as much as digits as its factorization.

869897153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 56.

The square root of 869897153 is about 29494.0189360487. The cubic root of 869897153 is about 954.6026518720.

The spelling of 869897153 in words is "eight hundred sixty-nine million, eight hundred ninety-seven thousand, one hundred fifty-three".