87913087907 has 2 divisors, whose sum is σ = 87913087908. Its totient is φ = 87913087906.

The previous prime is 87913087897. The next prime is 87913087949. The reversal of 87913087907 is 70978031978.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87913087907 - 2¹⁶ = 87913022371 is a prime.

It is a super-2 number, since 2×87913087907² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87913087957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43956543953 + 43956543954.

It is an arithmetic number, because the mean of its divisors is an integer number (43956543954).

Almost surely, 2^87913087907 is an apocalyptic number.

87913087907 is a deficient number, since it is larger than the sum of its proper divisors (1).

87913087907 is an equidigital number, since it uses as much as digits as its factorization.

87913087907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 59.

The spelling of 87913087907 in words is "eighty-seven billion, nine hundred thirteen million, eighty-seven thousand, nine hundred seven".