82279814 has 4 divisors (see below), whose sum is σ = 123419724. Its totient is φ = 41139906.

The previous prime is 82279811. The next prime is 82279817. The reversal of 82279814 is 41897228.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82279811) and next prime (82279817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82279811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20569952 + ... + 20569955.

It is an arithmetic number, because the mean of its divisors is an integer number (30854931).

Almost surely, 2^82279814 is an apocalyptic number.

82279814 is a deficient number, since it is larger than the sum of its proper divisors (41139910).

82279814 is a wasteful number, since it uses less digits than its factorization.

82279814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41139909.

The product of its digits is 64512, while the sum is 41.

The square root of 82279814 is about 9070.8221237107. The cubic root of 82279814 is about 434.9417528915.

The spelling of 82279814 in words is "eighty-two million, two hundred seventy-nine thousand, eight hundred fourteen".