90266767 has 2 divisors, whose sum is σ = 90266768. Its totient is φ = 90266766.

The previous prime is 90266749. The next prime is 90266783. The reversal of 90266767 is 76766209.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90266767 - 2¹⁵ = 90233999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90266747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45133383 + 45133384.

It is an arithmetic number, because the mean of its divisors is an integer number (45133384).

Almost surely, 2^90266767 is an apocalyptic number.

90266767 is a deficient number, since it is larger than the sum of its proper divisors (1).

90266767 is an equidigital number, since it uses as much as digits as its factorization.

90266767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 90266767 is about 9500.8824327007. The cubic root of 90266767 is about 448.5828123095.

The spelling of 90266767 in words is "ninety million, two hundred sixty-six thousand, seven hundred sixty-seven".