83133786806 has 48 divisors (see below), whose sum is σ = 148108927680. Its totient is φ = 34884738000.

The previous prime is 83133786803. The next prime is 83133786871. The reversal of 83133786806 is 60868733138.

It is a super-2 number, since 2×83133786806² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83133786803) 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, 1422641 + ... + 1479923.

It is an arithmetic number, because the mean of its divisors is an integer number (3085602660).

Almost surely, 2^83133786806 is an apocalyptic number.

83133786806 is a deficient number, since it is larger than the sum of its proper divisors (64975140874).

83133786806 is a wasteful number, since it uses less digits than its factorization.

83133786806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57609 (or 57602 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 83133786806 in words is "eighty-three billion, one hundred thirty-three million, seven hundred eighty-six thousand, eight hundred six".