87513490329599 has 2 divisors, whose sum is σ = 87513490329600. Its totient is φ = 87513490329598.

The previous prime is 87513490329589. The next prime is 87513490329623. The reversal of 87513490329599 is 99592309431578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87513490329599 - 2²⁸ = 87513221894143 is a prime.

It is a super-2 number, since 2×87513490329599² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87513490329539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43756745164799 + 43756745164800.

It is an arithmetic number, because the mean of its divisors is an integer number (43756745164800).

Almost surely, 2^{87513490329599} is an apocalyptic number.

87513490329599 is a deficient number, since it is larger than the sum of its proper divisors (1).

87513490329599 is an equidigital number, since it uses as much as digits as its factorization.

87513490329599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 661348800, while the sum is 74.

The spelling of 87513490329599 in words is "eighty-seven trillion, five hundred thirteen billion, four hundred ninety million, three hundred twenty-nine thousand, five hundred ninety-nine".