82821277826 has 16 divisors (see below), whose sum is σ = 144306864960. Its totient is φ = 34912950480.

The previous prime is 82821277817. The next prime is 82821277831. The reversal of 82821277826 is 62877212828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48489356 + ... + 48491063.

It is an arithmetic number, because the mean of its divisors is an integer number (9019179060).

Almost surely, 2^82821277826 is an apocalyptic number.

82821277826 is a deficient number, since it is larger than the sum of its proper divisors (61485587134).

82821277826 is a wasteful number, since it uses less digits than its factorization.

82821277826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96980489.

The product of its digits is 2408448, while the sum is 53.

The spelling of 82821277826 in words is "eighty-two billion, eight hundred twenty-one million, two hundred seventy-seven thousand, eight hundred twenty-six".