71677179133 has 4 divisors (see below), whose sum is σ = 81916776160. Its totient is φ = 61437582108.

The previous prime is 71677179113. The next prime is 71677179151. The reversal of 71677179133 is 33197177617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71677179133 - 2¹⁷ = 71677048061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71677179113) 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, 5119798503 + ... + 5119798516.

It is an arithmetic number, because the mean of its divisors is an integer number (20479194040).

Almost surely, 2^71677179133 is an apocalyptic number.

It is an amenable number.

71677179133 is a deficient number, since it is larger than the sum of its proper divisors (10239597027).

71677179133 is a wasteful number, since it uses less digits than its factorization.

71677179133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239597026.

The product of its digits is 1166886, while the sum is 52.

The spelling of 71677179133 in words is "seventy-one billion, six hundred seventy-seven million, one hundred seventy-nine thousand, one hundred thirty-three".