10320299987 has 2 divisors, whose sum is σ = 10320299988. Its totient is φ = 10320299986.

The previous prime is 10320299981. The next prime is 10320300013. The reversal of 10320299987 is 78999202301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10320299987 - 2⁴ = 10320299971 is a prime.

It is not a weakly prime, because it can be changed into another prime (10320299981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160149993 + 5160149994.

It is an arithmetic number, because the mean of its divisors is an integer number (5160149994).

Almost surely, 2^10320299987 is an apocalyptic number.

10320299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320299987 is an equidigital number, since it uses as much as digits as its factorization.

10320299987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 10320299987 in words is "ten billion, three hundred twenty million, two hundred ninety-nine thousand, nine hundred eighty-seven".