90676231 has 2 divisors, whose sum is σ = 90676232. Its totient is φ = 90676230.

The previous prime is 90676213. The next prime is 90676237. The reversal of 90676231 is 13267609.

Together with previous prime (90676213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90676231 - 2¹⁵ = 90643463 is a prime.

It is a super-2 number, since 2×90676231² = 16444357736730722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90676237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45338115 + 45338116.

It is an arithmetic number, because the mean of its divisors is an integer number (45338116).

Almost surely, 2^90676231 is an apocalyptic number.

90676231 is a deficient number, since it is larger than the sum of its proper divisors (1).

90676231 is an equidigital number, since it uses as much as digits as its factorization.

90676231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 90676231 is about 9522.4067861019. The cubic root of 90676231 is about 449.2600696036.

The spelling of 90676231 in words is "ninety million, six hundred seventy-six thousand, two hundred thirty-one".