42808086 has 24 divisors (see below), whose sum is σ = 95744064. Its totient is φ = 13808880.

The previous prime is 42808081. The next prime is 42808097. The reversal of 42808086 is 68080824.

It is a self number, because there is not a number n which added to its sum of digits gives 42808086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42808081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37801 + ... + 38916.

It is an arithmetic number, because the mean of its divisors is an integer number (3989336).

Almost surely, 2^42808086 is an apocalyptic number.

42808086 is an abundant number, since it is smaller than the sum of its proper divisors (52935978).

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

42808086 is a wasteful number, since it uses less digits than its factorization.

42808086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76756 (or 76753 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 42808086 is about 6542.7888549150. The cubic root of 42808086 is about 349.8178262841.

The spelling of 42808086 in words is "forty-two million, eight hundred eight thousand, eighty-six".