90794947 has 2 divisors, whose sum is σ = 90794948. Its totient is φ = 90794946.

The previous prime is 90794927. The next prime is 90794959. The reversal of 90794947 is 74949709.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90794947 - 2¹¹ = 90792899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90794947.

It is not a weakly prime, because it can be changed into another prime (90794917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45397473 + 45397474.

It is an arithmetic number, because the mean of its divisors is an integer number (45397474).

Almost surely, 2^90794947 is an apocalyptic number.

90794947 is a deficient number, since it is larger than the sum of its proper divisors (1).

90794947 is an equidigital number, since it uses as much as digits as its factorization.

90794947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 90794947 is about 9528.6382552808. The cubic root of 90794947 is about 449.4560456203.

The spelling of 90794947 in words is "ninety million, seven hundred ninety-four thousand, nine hundred forty-seven".