85691082 has 8 divisors (see below), whose sum is σ = 171382176. Its totient is φ = 28563692.

The previous prime is 85691051. The next prime is 85691093. The reversal of 85691082 is 28019658.

Added to its reverse (28019658) it gives a triangular number (113710740 = T₁₅₀₈₀).

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

85691082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 85691082.

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, 7140918 + ... + 7140929.

It is an arithmetic number, because the mean of its divisors is an integer number (21422772).

Almost surely, 2^85691082 is an apocalyptic number.

85691082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85691082 is a wasteful number, since it uses less digits than its factorization.

85691082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14281852.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 85691082 is about 9256.9477691083. The cubic root of 85691082 is about 440.8713483662.

Adding to 85691082 its reverse (28019658), we get a triangular number (113710740 = T₁₅₀₈₀).

The spelling of 85691082 in words is "eighty-five million, six hundred ninety-one thousand, eighty-two".