82427943 has 16 divisors (see below), whose sum is σ = 119022176. Its totient is φ = 50440320.

The previous prime is 82427941. The next prime is 82428001. The reversal of 82427943 is 34972428.

It is not a de Polignac number, because 82427943 - 2¹ = 82427941 is a prime.

It is a super-2 number, since 2×82427943² = 13588731574422498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82427941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221 + ... + 12897.

It is an arithmetic number, because the mean of its divisors is an integer number (7438886).

Almost surely, 2^82427943 is an apocalyptic number.

82427943 is a deficient number, since it is larger than the sum of its proper divisors (36594233).

82427943 is a wasteful number, since it uses less digits than its factorization.

82427943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874.

The product of its digits is 96768, while the sum is 39.

The square root of 82427943 is about 9078.9835884861. The cubic root of 82427943 is about 435.2026061081.

The spelling of 82427943 in words is "eighty-two million, four hundred twenty-seven thousand, nine hundred forty-three".