82850012 has 24 divisors (see below), whose sum is σ = 169743840. Its totient is φ = 34640640.

The previous prime is 82849973. The next prime is 82850021. The reversal of 82850012 is 21005828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34937 + ... + 37232.

It is an arithmetic number, because the mean of its divisors is an integer number (7072660).

Almost surely, 2^82850012 is an apocalyptic number.

82850012 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

82850012 is an abundant number, since it is smaller than the sum of its proper divisors (86893828).

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

82850012 is a wasteful number, since it uses less digits than its factorization.

82850012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72221 (or 72219 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 82850012 is about 9102.1981960403. The cubic root of 82850012 is about 435.9441543937.

The spelling of 82850012 in words is "eighty-two million, eight hundred fifty thousand, twelve".