83047723206 has 52 divisors (see below), whose sum is σ = 193778020812. Its totient is φ = 23727920916.

The previous prime is 83047723201. The next prime is 83047723267. The reversal of 83047723206 is 60232774038.

It is an ABA number since it can be written as A⋅B^A, here for A=6, B=49.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83047723201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 25 ways as a sum of consecutive naturals, for example, 11863960455 + ... + 11863960461.

Almost surely, 2^83047723206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83047723206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96889010406).

83047723206 is an abundant number, since it is smaller than the sum of its proper divisors (110730297606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83047723206 is an frugal number, since it uses more digits than its factorization.

83047723206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

83047723206 divided by its sum of digits (42) gives a 11-th power (1977326743 = 7¹¹).

The spelling of 83047723206 in words is "eighty-three billion, forty-seven million, seven hundred twenty-three thousand, two hundred six".