82099855899028 has 48 divisors (see below), whose sum is σ = 160453923227136. Its totient is φ = 36433705563360.

The previous prime is 82099855898987. The next prime is 82099855899037.

It is a happy number.

82099855899028 is nontrivially palindromic in base 10.

It is a congruent number.

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, 5680576 + ... + 14016727.

It is an arithmetic number, because the mean of its divisors is an integer number (3342790067232).

Almost surely, 2^{82099855899028} is an apocalyptic number.

It is an amenable number.

82099855899028 is a deficient number, since it is larger than the sum of its proper divisors (78354067328108).

82099855899028 is a wasteful number, since it uses less digits than its factorization.

82099855899028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699564 (or 19699562 counting only the distinct ones).

The product of its (nonzero) digits is 2687385600, while the sum is 82.

The spelling of 82099855899028 in words is "eighty-two trillion, ninety-nine billion, eight hundred fifty-five million, eight hundred ninety-nine thousand, twenty-eight".