83739314971 has 4 divisors (see below), whose sum is σ = 90180800752. Its totient is φ = 77297829192.

The previous prime is 83739314951. The next prime is 83739314983. The reversal of 83739314971 is 17941393738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17941393738 = 2 ⋅8970696869.

It is a cyclic number.

It is not a de Polignac number, because 83739314971 - 2⁷ = 83739314843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83739314951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3220742871 + ... + 3220742896.

It is an arithmetic number, because the mean of its divisors is an integer number (22545200188).

Almost surely, 2^83739314971 is an apocalyptic number.

83739314971 is a deficient number, since it is larger than the sum of its proper divisors (6441485781).

83739314971 is a wasteful number, since it uses less digits than its factorization.

83739314971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441485780.

The product of its digits is 3429216, while the sum is 55.

The spelling of 83739314971 in words is "eighty-three billion, seven hundred thirty-nine million, three hundred fourteen thousand, nine hundred seventy-one".