82814807 has 4 divisors (see below), whose sum is σ = 85670520. Its totient is φ = 79959096.

The previous prime is 82814783. The next prime is 82814813. The reversal of 82814807 is 70841828.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82814807 - 2¹² = 82810711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82816807) 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, 1427813 + ... + 1427870.

It is an arithmetic number, because the mean of its divisors is an integer number (21417630).

Almost surely, 2^82814807 is an apocalyptic number.

82814807 is a deficient number, since it is larger than the sum of its proper divisors (2855713).

82814807 is a wasteful number, since it uses less digits than its factorization.

82814807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855712.

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 82814807 is about 9100.2641170463. The cubic root of 82814807 is about 435.8823978615.

The spelling of 82814807 in words is "eighty-two million, eight hundred fourteen thousand, eight hundred seven".