82631393826 has 32 divisors (see below), whose sum is σ = 166937072640. Its totient is φ = 27264974544.

The previous prime is 82631393797. The next prime is 82631393833. The reversal of 82631393826 is 62839313628.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520145 + ... + 1573563.

It is an arithmetic number, because the mean of its divisors is an integer number (5216783520).

Almost surely, 2^82631393826 is an apocalyptic number.

82631393826 is an abundant number, since it is smaller than the sum of its proper divisors (84305678814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82631393826 is a wasteful number, since it uses less digits than its factorization.

82631393826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56030.

The product of its digits is 2239488, while the sum is 51.

The spelling of 82631393826 in words is "eighty-two billion, six hundred thirty-one million, three hundred ninety-three thousand, eight hundred twenty-six".