90028827 has 36 divisors (see below), whose sum is σ = 156896376. Its totient is φ = 51438240.

The previous prime is 90028823. The next prime is 90028843. The reversal of 90028827 is 72882009.

It is not a de Polignac number, because 90028827 - 2² = 90028823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90028791 and 90028800.

It is not an unprimeable number, because it can be changed into a prime (90028823) 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 in 35 ways as a sum of consecutive naturals, for example, 8127 + ... + 15687.

Almost surely, 2^90028827 is an apocalyptic number.

90028827 is a deficient number, since it is larger than the sum of its proper divisors (66867549).

90028827 is an equidigital number, since it uses as much as digits as its factorization.

90028827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590 (or 7571 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 90028827 is about 9488.3521751672. The cubic root of 90028827 is about 448.1883160129.

The spelling of 90028827 in words is "ninety million, twenty-eight thousand, eight hundred twenty-seven".