91717082 has 16 divisors (see below), whose sum is σ = 145794600. Its totient is φ = 43196160.

The previous prime is 91717079. The next prime is 91717141. The reversal of 91717082 is 28071719.

It can be written as a sum of positive squares in 4 ways, for example, as 64144081 + 27573001 = 8009^2 + 5251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16907 + ... + 21662.

Almost surely, 2^91717082 is an apocalyptic number.

91717082 is a deficient number, since it is larger than the sum of its proper divisors (54077518).

91717082 is a wasteful number, since it uses less digits than its factorization.

91717082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38641.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 91717082 is about 9576.9035705702. The cubic root of 91717082 is about 450.9725173067.

The spelling of 91717082 in words is "ninety-one million, seven hundred seventeen thousand, eighty-two".