236489897087 has 2 divisors, whose sum is σ = 236489897088. Its totient is φ = 236489897086.

The previous prime is 236489897071. The next prime is 236489897177. The reversal of 236489897087 is 780798984632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 236489897087 - 2⁴ = 236489897071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 236489897087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236489897027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118244948543 + 118244948544.

It is an arithmetic number, because the mean of its divisors is an integer number (118244948544).

Almost surely, 2^236489897087 is an apocalyptic number.

236489897087 is a deficient number, since it is larger than the sum of its proper divisors (1).

236489897087 is an equidigital number, since it uses as much as digits as its factorization.

236489897087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 292626432, while the sum is 71.

The spelling of 236489897087 in words is "two hundred thirty-six billion, four hundred eighty-nine million, eight hundred ninety-seven thousand, eighty-seven".