91539082 has 8 divisors (see below), whose sum is σ = 137805156. Its totient is φ = 45604032.

The previous prime is 91539079. The next prime is 91539113. The reversal of 91539082 is 28093519.

It can be written as a sum of positive squares in 2 ways, for example, as 88943761 + 2595321 = 9431^2 + 1611^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82063 + ... + 83170.

Almost surely, 2^91539082 is an apocalyptic number.

91539082 is a deficient number, since it is larger than the sum of its proper divisors (46266074).

91539082 is a wasteful number, since it uses less digits than its factorization.

91539082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165512.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 91539082 is about 9567.6058656280. The cubic root of 91539082 is about 450.6805866128.

The spelling of 91539082 in words is "ninety-one million, five hundred thirty-nine thousand, eighty-two".