83287842 has 32 divisors (see below), whose sum is σ = 182697984. Its totient is φ = 25102800.

The previous prime is 83287823. The next prime is 83287843. The reversal of 83287842 is 24878238.

It is a junction number, because it is equal to n+sod(n) for n = 83287794 and 83287803.

It is not an unprimeable number, because it can be changed into a prime (83287843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9303 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (5709312).

Almost surely, 2^83287842 is an apocalyptic number.

83287842 is an abundant number, since it is smaller than the sum of its proper divisors (99410142).

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

83287842 is a wasteful number, since it uses less digits than its factorization.

83287842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814.

The product of its digits is 172032, while the sum is 42.

The square root of 83287842 is about 9126.2172886689. The cubic root of 83287842 is about 436.7107372208.

The spelling of 83287842 in words is "eighty-three million, two hundred eighty-seven thousand, eight hundred forty-two".