82603293921 has 12 divisors (see below), whose sum is σ = 119391262848. Its totient is φ = 55034065464.

The previous prime is 82603293901. The next prime is 82603293923. The reversal of 82603293921 is 12939230628.

It is a happy number.

82603293921 is a `hidden beast` number, since 8 + 2 + 603 + 2 + 9 + 39 + 2 + 1 = 666.

It is not a de Polignac number, because 82603293921 - 2⁵ = 82603293889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82603293923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2884725 + ... + 2913218.

It is an arithmetic number, because the mean of its divisors is an integer number (9949271904).

Almost surely, 2^82603293921 is an apocalyptic number.

It is an amenable number.

82603293921 is a deficient number, since it is larger than the sum of its proper divisors (36787968927).

82603293921 is a wasteful number, since it uses less digits than its factorization.

82603293921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799532 (or 5799529 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 82603293921 in words is "eighty-two billion, six hundred three million, two hundred ninety-three thousand, nine hundred twenty-one".