87399307 has 2 divisors, whose sum is σ = 87399308. Its totient is φ = 87399306.

The previous prime is 87399293. The next prime is 87399383. The reversal of 87399307 is 70399378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87399307 - 2¹¹ = 87397259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87379307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43699653 + 43699654.

It is an arithmetic number, because the mean of its divisors is an integer number (43699654).

Almost surely, 2^87399307 is an apocalyptic number.

87399307 is a deficient number, since it is larger than the sum of its proper divisors (1).

87399307 is an equidigital number, since it uses as much as digits as its factorization.

87399307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 87399307 is about 9348.7596503493. The cubic root of 87399307 is about 443.7816389000.

The spelling of 87399307 in words is "eighty-seven million, three hundred ninety-nine thousand, three hundred seven".