91071083 has 8 divisors (see below), whose sum is σ = 91990080. Its totient is φ = 90157000.

The previous prime is 91071037. The next prime is 91071089. The reversal of 91071083 is 38017019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91071083 - 2¹⁴ = 91054699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91071089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43916 + ... + 45942.

It is an arithmetic number, because the mean of its divisors is an integer number (11498760).

Almost surely, 2^91071083 is an apocalyptic number.

91071083 is a deficient number, since it is larger than the sum of its proper divisors (918997).

91071083 is a wasteful number, since it uses less digits than its factorization.

91071083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 91071083 is about 9543.1170484281. The cubic root of 91071083 is about 449.9112302265.

The spelling of 91071083 in words is "ninety-one million, seventy-one thousand, eighty-three".