90029827 has 2 divisors, whose sum is σ = 90029828. Its totient is φ = 90029826.

The previous prime is 90029813. The next prime is 90029857. The reversal of 90029827 is 72892009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90029827 - 2¹¹ = 90027779 is a prime.

It is not a weakly prime, because it can be changed into another prime (90029857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45014913 + 45014914.

It is an arithmetic number, because the mean of its divisors is an integer number (45014914).

Almost surely, 2^90029827 is an apocalyptic number.

90029827 is a deficient number, since it is larger than the sum of its proper divisors (1).

90029827 is an equidigital number, since it uses as much as digits as its factorization.

90029827 is an evil number, because the sum of its binary digits is even.

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

The square root of 90029827 is about 9488.4048712099. The cubic root of 90029827 is about 448.1899754320.

The spelling of 90029827 in words is "ninety million, twenty-nine thousand, eight hundred twenty-seven".