90268907 has 2 divisors, whose sum is σ = 90268908. Its totient is φ = 90268906.

The previous prime is 90268847. The next prime is 90268939. The reversal of 90268907 is 70986209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90268907 - 2²² = 86074603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90268957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45134453 + 45134454.

It is an arithmetic number, because the mean of its divisors is an integer number (45134454).

Almost surely, 2^90268907 is an apocalyptic number.

90268907 is a deficient number, since it is larger than the sum of its proper divisors (1).

90268907 is an equidigital number, since it uses as much as digits as its factorization.

90268907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 90268907 is about 9500.9950531510. The cubic root of 90268907 is about 448.5863572082.

The spelling of 90268907 in words is "ninety million, two hundred sixty-eight thousand, nine hundred seven".