83002939181 has 8 divisors (see below), whose sum is σ = 84381050904. Its totient is φ = 81625389120.

The previous prime is 83002939169. The next prime is 83002939199. The reversal of 83002939181 is 18193920038.

It can be written as a sum of positive squares in 4 ways, for example, as 5236693225 + 77766245956 = 72365^2 + 278866^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83002939181 - 2²⁶ = 82935830317 is a prime.

It is a super-2 number, since 2×83002939181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83002939681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162995 + ... + 438831.

It is an arithmetic number, because the mean of its divisors is an integer number (10547631363).

Almost surely, 2^83002939181 is an apocalyptic number.

It is an amenable number.

83002939181 is a deficient number, since it is larger than the sum of its proper divisors (1378111723).

83002939181 is a wasteful number, since it uses less digits than its factorization.

83002939181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280831.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 83002939181 in words is "eighty-three billion, two million, nine hundred thirty-nine thousand, one hundred eighty-one".