85690102 has 4 divisors (see below), whose sum is σ = 128535156. Its totient is φ = 42845050.

The previous prime is 85690097. The next prime is 85690103. The reversal of 85690102 is 20109658.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20109658 = 2 ⋅10054829.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85690103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21422524 + ... + 21422527.

It is an arithmetic number, because the mean of its divisors is an integer number (32133789).

Almost surely, 2^85690102 is an apocalyptic number.

85690102 is a deficient number, since it is larger than the sum of its proper divisors (42845054).

85690102 is a wasteful number, since it uses less digits than its factorization.

85690102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42845053.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 85690102 is about 9256.8948357427. The cubic root of 85690102 is about 440.8696676952.

The spelling of 85690102 in words is "eighty-five million, six hundred ninety thousand, one hundred two".