90337769 has 2 divisors, whose sum is σ = 90337770. Its totient is φ = 90337768.

The previous prime is 90337739. The next prime is 90337777. The reversal of 90337769 is 96773309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 5697769 = 9200^2 + 2387^2 .

It is a cyclic number.

It is not a de Polignac number, because 90337769 - 2¹⁶ = 90272233 is a prime.

It is a super-2 number, since 2×90337769² = 16321825015794722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90337739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45168884 + 45168885.

It is an arithmetic number, because the mean of its divisors is an integer number (45168885).

Almost surely, 2^90337769 is an apocalyptic number.

It is an amenable number.

90337769 is a deficient number, since it is larger than the sum of its proper divisors (1).

90337769 is an equidigital number, since it uses as much as digits as its factorization.

90337769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 90337769 is about 9504.6182984905. The cubic root of 90337769 is about 448.7003968522.

The spelling of 90337769 in words is "ninety million, three hundred thirty-seven thousand, seven hundred sixty-nine".