71080433677 has 16 divisors (see below), whose sum is σ = 82117530432. Its totient is φ = 60807166720.

The previous prime is 71080433629. The next prime is 71080433681. The reversal of 71080433677 is 77633408017.

It is a de Polignac number, because none of the positive numbers 2^k-71080433677 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 (71080433377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198323 + ... + 1256239.

It is an arithmetic number, because the mean of its divisors is an integer number (5132345652).

Almost surely, 2^71080433677 is an apocalyptic number.

It is an amenable number.

71080433677 is a deficient number, since it is larger than the sum of its proper divisors (11037096755).

71080433677 is a wasteful number, since it uses less digits than its factorization.

71080433677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64508.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 71080433677 in words is "seventy-one billion, eighty million, four hundred thirty-three thousand, six hundred seventy-seven".