90829159 has 2 divisors, whose sum is σ = 90829160. Its totient is φ = 90829158.

The previous prime is 90829127. The next prime is 90829213. The reversal of 90829159 is 95192809.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90829159 - 2⁵ = 90829127 is a prime.

It is a super-2 number, since 2×90829159² = 16499872249294562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90829559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45414579 + 45414580.

It is an arithmetic number, because the mean of its divisors is an integer number (45414580).

Almost surely, 2^90829159 is an apocalyptic number.

90829159 is a deficient number, since it is larger than the sum of its proper divisors (1).

90829159 is an equidigital number, since it uses as much as digits as its factorization.

90829159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 90829159 is about 9530.4333059940. The cubic root of 90829159 is about 449.5124909762.

The spelling of 90829159 in words is "ninety million, eight hundred twenty-nine thousand, one hundred fifty-nine".