82140939783 has 64 divisors (see below), whose sum is σ = 146466432000. Its totient is φ = 44445376512.

The previous prime is 82140939773. The next prime is 82140939817. The reversal of 82140939783 is 38793904128.

It is not a de Polignac number, because 82140939783 - 2⁴ = 82140939767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82140939773) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9536983 + ... + 9545591.

It is an arithmetic number, because the mean of its divisors is an integer number (2288538000).

Almost surely, 2^82140939783 is an apocalyptic number.

82140939783 is a deficient number, since it is larger than the sum of its proper divisors (64325492217).

82140939783 is a wasteful number, since it uses less digits than its factorization.

82140939783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301 (or 11295 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 82140939783 in words is "eighty-two billion, one hundred forty million, nine hundred thirty-nine thousand, seven hundred eighty-three".