90473827 has 2 divisors, whose sum is σ = 90473828. Its totient is φ = 90473826.

The previous prime is 90473807. The next prime is 90473833. The reversal of 90473827 is 72837409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90473827 - 2⁷ = 90473699 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90473827.

It is not a weakly prime, because it can be changed into another prime (90473807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45236913 + 45236914.

It is an arithmetic number, because the mean of its divisors is an integer number (45236914).

Almost surely, 2^90473827 is an apocalyptic number.

90473827 is a deficient number, since it is larger than the sum of its proper divisors (1).

90473827 is an equidigital number, since it uses as much as digits as its factorization.

90473827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 90473827 is about 9511.7730734075. The cubic root of 90473827 is about 448.9255468866.

The spelling of 90473827 in words is "ninety million, four hundred seventy-three thousand, eight hundred twenty-seven".