90340757027 has 2 divisors, whose sum is σ = 90340757028. Its totient is φ = 90340757026.

The previous prime is 90340757021. The next prime is 90340757047. The reversal of 90340757027 is 72075704309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90340757027 - 2⁴ = 90340757011 is a prime.

It is a super-2 number, since 2×90340757027² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90340757021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45170378513 + 45170378514.

It is an arithmetic number, because the mean of its divisors is an integer number (45170378514).

Almost surely, 2^90340757027 is an apocalyptic number.

90340757027 is a deficient number, since it is larger than the sum of its proper divisors (1).

90340757027 is an equidigital number, since it uses as much as digits as its factorization.

90340757027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 90340757027 in words is "ninety billion, three hundred forty million, seven hundred fifty-seven thousand, twenty-seven".