85100838 has 16 divisors (see below), whose sum is σ = 171445680. Its totient is φ = 28159616.

The previous prime is 85100831. The next prime is 85100839. The reversal of 85100838 is 83800158.

It is a junction number, because it is equal to n+sod(n) for n = 85100799 and 85100808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85100831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50943 + ... + 52586.

It is an arithmetic number, because the mean of its divisors is an integer number (10715355).

Almost surely, 2^85100838 is an apocalyptic number.

85100838 is an abundant number, since it is smaller than the sum of its proper divisors (86344842).

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

85100838 is a wasteful number, since it uses less digits than its factorization.

85100838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103671.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 85100838 is about 9225.0115447082. The cubic root of 85100838 is about 439.8567681175.

The spelling of 85100838 in words is "eighty-five million, one hundred thousand, eight hundred thirty-eight".