90152087 has 2 divisors, whose sum is σ = 90152088. Its totient is φ = 90152086.

The previous prime is 90152053. The next prime is 90152107. The reversal of 90152087 is 78025109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90152087 - 2¹⁶ = 90086551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90152287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45076043 + 45076044.

It is an arithmetic number, because the mean of its divisors is an integer number (45076044).

Almost surely, 2^90152087 is an apocalyptic number.

90152087 is a deficient number, since it is larger than the sum of its proper divisors (1).

90152087 is an equidigital number, since it uses as much as digits as its factorization.

90152087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 90152087 is about 9494.8452857327. The cubic root of 90152087 is about 448.3927634887.

The spelling of 90152087 in words is "ninety million, one hundred fifty-two thousand, eighty-seven".