71870743677 has 8 divisors (see below), whose sum is σ = 95833922080. Its totient is φ = 47910697200.

The previous prime is 71870743669. The next prime is 71870743723. The reversal of 71870743677 is 77634707817.

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

It is not a de Polignac number, because 71870743677 - 2³ = 71870743669 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 (71870743667) 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 7 ways as a sum of consecutive naturals, for example, 728902 + ... + 821607.

It is an arithmetic number, because the mean of its divisors is an integer number (11979240260).

Almost surely, 2^71870743677 is an apocalyptic number.

It is an amenable number.

71870743677 is a deficient number, since it is larger than the sum of its proper divisors (23963178403).

71870743677 is a wasteful number, since it uses less digits than its factorization.

71870743677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565963.

The product of its (nonzero) digits is 9680832, while the sum is 57.

The spelling of 71870743677 in words is "seventy-one billion, eight hundred seventy million, seven hundred forty-three thousand, six hundred seventy-seven".