83580091 has 8 divisors (see below), whose sum is σ = 99673344. Its totient is φ = 68525160.

The previous prime is 83580083. The next prime is 83580103. The reversal of 83580091 is 19008538.

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 83580091 - 2³ = 83580083 is a prime.

It is a super-2 number, since 2×83580091² = 13971263223136562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83580011) 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 in 7 ways as a sum of consecutive naturals, for example, 259405 + ... + 259726.

It is an arithmetic number, because the mean of its divisors is an integer number (12459168).

Almost surely, 2^83580091 is an apocalyptic number.

83580091 is a deficient number, since it is larger than the sum of its proper divisors (16093253).

83580091 is a wasteful number, since it uses less digits than its factorization.

83580091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519161.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 83580091 is about 9142.2147754250. The cubic root of 83580091 is about 437.2209328871.

The spelling of 83580091 in words is "eighty-three million, five hundred eighty thousand, ninety-one".