87486868523 has 2 divisors, whose sum is σ = 87486868524. Its totient is φ = 87486868522.

The previous prime is 87486868471. The next prime is 87486868597. The reversal of 87486868523 is 32586868478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87486868523 - 2³⁶ = 18767391787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87486868523.

It is not a weakly prime, because it can be changed into another prime (87486868823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43743434261 + 43743434262.

It is an arithmetic number, because the mean of its divisors is an integer number (43743434262).

Almost surely, 2^87486868523 is an apocalyptic number.

87486868523 is a deficient number, since it is larger than the sum of its proper divisors (1).

87486868523 is an equidigital number, since it uses as much as digits as its factorization.

87486868523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123863040, while the sum is 65.

The spelling of 87486868523 in words is "eighty-seven billion, four hundred eighty-six million, eight hundred sixty-eight thousand, five hundred twenty-three".