90928967 has 2 divisors, whose sum is σ = 90928968. Its totient is φ = 90928966.

The previous prime is 90928963. The next prime is 90928969. The reversal of 90928967 is 76982909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90928967 - 2² = 90928963 is a prime.

Together with 90928969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90928963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45464483 + 45464484.

It is an arithmetic number, because the mean of its divisors is an integer number (45464484).

Almost surely, 2^90928967 is an apocalyptic number.

90928967 is a deficient number, since it is larger than the sum of its proper divisors (1).

90928967 is an equidigital number, since it uses as much as digits as its factorization.

90928967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 90928967 is about 9535.6681464908. The cubic root of 90928967 is about 449.6770802626.

The spelling of 90928967 in words is "ninety million, nine hundred twenty-eight thousand, nine hundred sixty-seven".