92890087 has 2 divisors, whose sum is σ = 92890088. Its totient is φ = 92890086.

The previous prime is 92890067. The next prime is 92890093. The reversal of 92890087 is 78009829.

It is a strong prime.

It is an emirp because it is prime and its reverse (78009829) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92890087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92890037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46445043 + 46445044.

It is an arithmetic number, because the mean of its divisors is an integer number (46445044).

Almost surely, 2^92890087 is an apocalyptic number.

92890087 is a deficient number, since it is larger than the sum of its proper divisors (1).

92890087 is an equidigital number, since it uses as much as digits as its factorization.

92890087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 92890087 is about 9637.9503526424. The cubic root of 92890087 is about 452.8869325544.

The spelling of 92890087 in words is "ninety-two million, eight hundred ninety thousand, eighty-seven".