82129954803 has 32 divisors (see below), whose sum is σ = 122084874240. Its totient is φ = 48763451520.

The previous prime is 82129954801. The next prime is 82129954813. The reversal of 82129954803 is 30845992128.

It is not a de Polignac number, because 82129954803 - 2¹ = 82129954801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82129954801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1583898 + ... + 1634928.

It is an arithmetic number, because the mean of its divisors is an integer number (3815152320).

Almost surely, 2^82129954803 is an apocalyptic number.

82129954803 is a deficient number, since it is larger than the sum of its proper divisors (39954919437).

82129954803 is a wasteful number, since it uses less digits than its factorization.

82129954803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52499.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 82129954803 in words is "eighty-two billion, one hundred twenty-nine million, nine hundred fifty-four thousand, eight hundred three".