83073139706 has 4 divisors (see below), whose sum is σ = 124609709562. Its totient is φ = 41536569852.

The previous prime is 83073139687. The next prime is 83073139727. The reversal of 83073139706 is 60793137038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60793137038 = 2 ⋅30396568519.

It can be written as a sum of positive squares in only one way, i.e., 75644251225 + 7428888481 = 275035^2 + 86191^2 .

It is a super-2 number, since 2×83073139706² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20768284925 + ... + 20768284928.

Almost surely, 2^83073139706 is an apocalyptic number.

83073139706 is a deficient number, since it is larger than the sum of its proper divisors (41536569856).

83073139706 is a wasteful number, since it uses less digits than its factorization.

83073139706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41536569855.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 83073139706 in words is "eighty-three billion, seventy-three million, one hundred thirty-nine thousand, seven hundred six".