82156426 has 8 divisors (see below), whose sum is σ = 134437824. Its totient is φ = 37343820.

The previous prime is 82156421. The next prime is 82156439. The reversal of 82156426 is 62465128.

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

It is a junction number, because it is equal to n+sod(n) for n = 82156391 and 82156400.

It is not an unprimeable number, because it can be changed into a prime (82156421) 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, 1867170 + ... + 1867213.

It is an arithmetic number, because the mean of its divisors is an integer number (16804728).

Almost surely, 2^82156426 is an apocalyptic number.

82156426 is a deficient number, since it is larger than the sum of its proper divisors (52281398).

82156426 is a wasteful number, since it uses less digits than its factorization.

82156426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734396.

The product of its digits is 23040, while the sum is 34.

The square root of 82156426 is about 9064.0182038652. The cubic root of 82156426 is about 434.7242291387.

It can be divided in two parts, 8215 and 6426, that added together give a palindrome (14641).

The spelling of 82156426 in words is "eighty-two million, one hundred fifty-six thousand, four hundred twenty-six".