99862387 has 2 divisors, whose sum is σ = 99862388. Its totient is φ = 99862386.

The previous prime is 99862339. The next prime is 99862393. The reversal of 99862387 is 78326899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99862387 - 2¹⁵ = 99829619 is a prime.

It is not a weakly prime, because it can be changed into another prime (99862327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49931193 + 49931194.

It is an arithmetic number, because the mean of its divisors is an integer number (49931194).

Almost surely, 2^99862387 is an apocalyptic number.

99862387 is a deficient number, since it is larger than the sum of its proper divisors (1).

99862387 is an equidigital number, since it uses as much as digits as its factorization.

99862387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 99862387 is about 9993.1169812026. The cubic root of 99862387 is about 463.9458712992.

The spelling of 99862387 in words is "ninety-nine million, eight hundred sixty-two thousand, three hundred eighty-seven".