82420935928 has 16 divisors (see below), whose sum is σ = 155042644680. Its totient is φ = 41076230688.

The previous prime is 82420935923. The next prime is 82420935959. The reversal of 82420935928 is 82953902428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82420935923) 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 3 ways as a sum of consecutive naturals, for example, 16777051 + ... + 16781962.

Almost surely, 2^82420935928 is an apocalyptic number.

It is an amenable number.

82420935928 is a deficient number, since it is larger than the sum of its proper divisors (72621708752).

82420935928 is a wasteful number, since it uses less digits than its factorization.

82420935928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33559326 (or 33559322 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 82420935928 in words is "eighty-two billion, four hundred twenty million, nine hundred thirty-five thousand, nine hundred twenty-eight".