80684982783 has 6 divisors (see below), whose sum is σ = 116544975144. Its totient is φ = 53789988516.

The previous prime is 80684982773. The next prime is 80684982799. The reversal of 80684982783 is 38728948608.

80684982783 is a `hidden beast` number, since 8 + 0 + 68 + 498 + 2 + 7 + 83 = 666.

It is not a de Polignac number, because 80684982783 - 2⁵ = 80684982751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80684982783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80684982773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4482499035 + ... + 4482499052.

It is an arithmetic number, because the mean of its divisors is an integer number (19424162524).

Almost surely, 2^80684982783 is an apocalyptic number.

80684982783 is a deficient number, since it is larger than the sum of its proper divisors (35859992361).

80684982783 is a wasteful number, since it uses less digits than its factorization.

80684982783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964998093 (or 8964998090 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

It can be divided in two parts, 8068498 and 2783, that added together give a square (8071281 = 2841²).

The spelling of 80684982783 in words is "eighty billion, six hundred eighty-four million, nine hundred eighty-two thousand, seven hundred eighty-three".