90867827 has 2 divisors, whose sum is σ = 90867828. Its totient is φ = 90867826.

The previous prime is 90867793. The next prime is 90867841. The reversal of 90867827 is 72876809.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90867827 - 2⁸ = 90867571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90837827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45433913 + 45433914.

It is an arithmetic number, because the mean of its divisors is an integer number (45433914).

Almost surely, 2^90867827 is an apocalyptic number.

90867827 is a deficient number, since it is larger than the sum of its proper divisors (1).

90867827 is an equidigital number, since it uses as much as digits as its factorization.

90867827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 90867827 is about 9532.4617492020. The cubic root of 90867827 is about 449.5762710926.

The spelling of 90867827 in words is "ninety million, eight hundred sixty-seven thousand, eight hundred twenty-seven".