87497659 has 2 divisors, whose sum is σ = 87497660. Its totient is φ = 87497658.

The previous prime is 87497621. The next prime is 87497671. The reversal of 87497659 is 95679478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87497659 - 2¹⁵ = 87464891 is a prime.

It is not a weakly prime, because it can be changed into another prime (87497699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43748829 + 43748830.

It is an arithmetic number, because the mean of its divisors is an integer number (43748830).

Almost surely, 2^87497659 is an apocalyptic number.

87497659 is a deficient number, since it is larger than the sum of its proper divisors (1).

87497659 is an equidigital number, since it uses as much as digits as its factorization.

87497659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The square root of 87497659 is about 9354.0183343844. The cubic root of 87497659 is about 443.9480416298.

The spelling of 87497659 in words is "eighty-seven million, four hundred ninety-seven thousand, six hundred fifty-nine".