90796191 has 4 divisors (see below), whose sum is σ = 121061592. Its totient is φ = 60530792.

The previous prime is 90796183. The next prime is 90796219. The reversal of 90796191 is 19169709.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90796191 - 2³ = 90796183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90756191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15132696 + ... + 15132701.

It is an arithmetic number, because the mean of its divisors is an integer number (30265398).

Almost surely, 2^90796191 is an apocalyptic number.

90796191 is a deficient number, since it is larger than the sum of its proper divisors (30265401).

90796191 is a wasteful number, since it uses less digits than its factorization.

90796191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30265400.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 90796191 is about 9528.7035319607. The cubic root of 90796191 is about 449.4580983071.

The spelling of 90796191 in words is "ninety million, seven hundred ninety-six thousand, one hundred ninety-one".