90751000427 has 2 divisors, whose sum is σ = 90751000428. Its totient is φ = 90751000426.

The previous prime is 90751000399. The next prime is 90751000429. The reversal of 90751000427 is 72400015709.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90751000427 - 2²⁶ = 90683891563 is a prime.

Together with 90751000429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90751000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45375500213 + 45375500214.

It is an arithmetic number, because the mean of its divisors is an integer number (45375500214).

Almost surely, 2^90751000427 is an apocalyptic number.

90751000427 is a deficient number, since it is larger than the sum of its proper divisors (1).

90751000427 is an equidigital number, since it uses as much as digits as its factorization.

90751000427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 90751000427 in words is "ninety billion, seven hundred fifty-one million, four hundred twenty-seven", and thus it is an aban number.