87336900425989 has 2 divisors, whose sum is σ = 87336900425990. Its totient is φ = 87336900425988.

The previous prime is 87336900425917. The next prime is 87336900426019. The reversal of 87336900425989 is 98952400963378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70081309045764 + 17255591380225 = 8371458^2 + 4153985^2 .

It is a cyclic number.

It is not a de Polignac number, because 87336900425989 - 2¹³ = 87336900417797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87336900425389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43668450212994 + 43668450212995.

It is an arithmetic number, because the mean of its divisors is an integer number (43668450212995).

Almost surely, 2^{87336900425989} is an apocalyptic number.

It is an amenable number.

87336900425989 is a deficient number, since it is larger than the sum of its proper divisors (1).

87336900425989 is an equidigital number, since it uses as much as digits as its factorization.

87336900425989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 87336900425989 in words is "eighty-seven trillion, three hundred thirty-six billion, nine hundred million, four hundred twenty-five thousand, nine hundred eighty-nine".