90237667427 has 2 divisors, whose sum is σ = 90237667428. Its totient is φ = 90237667426.

The previous prime is 90237667417. The next prime is 90237667459. The reversal of 90237667427 is 72476673209.

It is a weak prime.

It is an emirp because it is prime and its reverse (72476673209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90237667427 - 2¹⁶ = 90237601891 is a prime.

It is not a weakly prime, because it can be changed into another prime (90237667417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45118833713 + 45118833714.

It is an arithmetic number, because the mean of its divisors is an integer number (45118833714).

Almost surely, 2^90237667427 is an apocalyptic number.

90237667427 is a deficient number, since it is larger than the sum of its proper divisors (1).

90237667427 is an equidigital number, since it uses as much as digits as its factorization.

90237667427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 90237667427 in words is "ninety billion, two hundred thirty-seven million, six hundred sixty-seven thousand, four hundred twenty-seven".