83682779733 has 24 divisors (see below), whose sum is σ = 138155046848. Its totient is φ = 47814561792.

The previous prime is 83682779729. The next prime is 83682779759. The reversal of 83682779733 is 33797728638.

It is not a de Polignac number, because 83682779733 - 2² = 83682779729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83682779773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761685 + ... + 864597.

Almost surely, 2^83682779733 is an apocalyptic number.

It is an amenable number.

83682779733 is a deficient number, since it is larger than the sum of its proper divisors (54472267115).

83682779733 is a wasteful number, since it uses less digits than its factorization.

83682779733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115833 (or 115830 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The spelling of 83682779733 in words is "eighty-three billion, six hundred eighty-two million, seven hundred seventy-nine thousand, seven hundred thirty-three".