83020713850 has 12 divisors (see below), whose sum is σ = 154418527854. Its totient is φ = 33208285520.

The previous prime is 83020713847. The next prime is 83020713857. The reversal of 83020713850 is 5831702038.

It can be written as a sum of positive squares in 3 ways, for example, as 76749499369 + 6271214481 = 277037^2 + 79191^2 .

It is not an unprimeable number, because it can be changed into a prime (83020713857) 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, 830207089 + ... + 830207188.

Almost surely, 2^83020713850 is an apocalyptic number.

83020713850 is a deficient number, since it is larger than the sum of its proper divisors (71397814004).

83020713850 is a wasteful number, since it uses less digits than its factorization.

83020713850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660414289 (or 1660414284 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 83020713850 in words is "eighty-three billion, twenty million, seven hundred thirteen thousand, eight hundred fifty".