87486763499 has 2 divisors, whose sum is σ = 87486763500. Its totient is φ = 87486763498.

The previous prime is 87486763489. The next prime is 87486763513. The reversal of 87486763499 is 99436768478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87486763499 - 2³⁶ = 18767286763 is a prime.

It is not a weakly prime, because it can be changed into another prime (87486763409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43743381749 + 43743381750.

It is an arithmetic number, because the mean of its divisors is an integer number (43743381750).

Almost surely, 2^87486763499 is an apocalyptic number.

87486763499 is a deficient number, since it is larger than the sum of its proper divisors (1).

87486763499 is an equidigital number, since it uses as much as digits as its factorization.

87486763499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 438939648, while the sum is 71.

The spelling of 87486763499 in words is "eighty-seven billion, four hundred eighty-six million, seven hundred sixty-three thousand, four hundred ninety-nine".