87913043539 has 2 divisors, whose sum is σ = 87913043540. Its totient is φ = 87913043538.

The previous prime is 87913043531. The next prime is 87913043579. The reversal of 87913043539 is 93534031978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87913043539 - 2³ = 87913043531 is a prime.

It is not a weakly prime, because it can be changed into another prime (87913043531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43956521769 + 43956521770.

It is an arithmetic number, because the mean of its divisors is an integer number (43956521770).

Almost surely, 2^87913043539 is an apocalyptic number.

87913043539 is a deficient number, since it is larger than the sum of its proper divisors (1).

87913043539 is an equidigital number, since it uses as much as digits as its factorization.

87913043539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 87913043539 in words is "eighty-seven billion, nine hundred thirteen million, forty-three thousand, five hundred thirty-nine".