82276431 has 4 divisors (see below), whose sum is σ = 109701912. Its totient is φ = 54850952.

The previous prime is 82276423. The next prime is 82276471. The reversal of 82276431 is 13467228.

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 82276431 - 2³ = 82276423 is a prime.

It is a super-2 number, since 2×82276431² = 13538822196195522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82276392 and 82276401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82276421) 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, 13712736 + ... + 13712741.

It is an arithmetic number, because the mean of its divisors is an integer number (27425478).

Almost surely, 2^82276431 is an apocalyptic number.

82276431 is a deficient number, since it is larger than the sum of its proper divisors (27425481).

82276431 is a wasteful number, since it uses less digits than its factorization.

82276431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27425480.

The product of its digits is 16128, while the sum is 33.

The square root of 82276431 is about 9070.6356447605. The cubic root of 82276431 is about 434.9357918178.

The spelling of 82276431 in words is "eighty-two million, two hundred seventy-six thousand, four hundred thirty-one".