90902827 has 2 divisors, whose sum is σ = 90902828. Its totient is φ = 90902826.

The previous prime is 90902797. The next prime is 90902869. The reversal of 90902827 is 72820909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90902827 - 2¹¹ = 90900779 is a prime.

It is not a weakly prime, because it can be changed into another prime (90902887) 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, 45451413 + 45451414.

It is an arithmetic number, because the mean of its divisors is an integer number (45451414).

Almost surely, 2^90902827 is an apocalyptic number.

90902827 is a deficient number, since it is larger than the sum of its proper divisors (1).

90902827 is an equidigital number, since it uses as much as digits as its factorization.

90902827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 90902827 is about 9534.2974046334. The cubic root of 90902827 is about 449.6339855047.

The spelling of 90902827 in words is "ninety million, nine hundred two thousand, eight hundred twenty-seven".