82707918 has 8 divisors (see below), whose sum is σ = 165415848. Its totient is φ = 27569304.

The previous prime is 82707917. The next prime is 82707959. The reversal of 82707918 is 81970728.

It is a sphenic number, since it is the product of 3 distinct primes.

82707918 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 82707918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82707917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6892321 + ... + 6892332.

It is an arithmetic number, because the mean of its divisors is an integer number (20676981).

Almost surely, 2^82707918 is an apocalyptic number.

82707918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82707918 is a wasteful number, since it uses less digits than its factorization.

82707918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784658.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 82707918 is about 9094.3893692760. The cubic root of 82707918 is about 435.6947861098.

The spelling of 82707918 in words is "eighty-two million, seven hundred seven thousand, nine hundred eighteen".