90265079 has 2 divisors, whose sum is σ = 90265080. Its totient is φ = 90265078.

The previous prime is 90265039. The next prime is 90265141. The reversal of 90265079 is 97056209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90265079 - 2²⁰ = 89216503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90265039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45132539 + 45132540.

It is an arithmetic number, because the mean of its divisors is an integer number (45132540).

Almost surely, 2^90265079 is an apocalyptic number.

90265079 is a deficient number, since it is larger than the sum of its proper divisors (1).

90265079 is an equidigital number, since it uses as much as digits as its factorization.

90265079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 90265079 is about 9500.7935984317. The cubic root of 90265079 is about 448.5800161069.

The spelling of 90265079 in words is "ninety million, two hundred sixty-five thousand, seventy-nine".