70705927911 has 4 divisors (see below), whose sum is σ = 94274570552. Its totient is φ = 47137285272.

The previous prime is 70705927909. The next prime is 70705927933. The reversal of 70705927911 is 11972950707.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70705927911 - 2¹ = 70705927909 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 (70705927991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11784321316 + ... + 11784321321.

It is an arithmetic number, because the mean of its divisors is an integer number (23568642638).

Almost surely, 2^70705927911 is an apocalyptic number.

70705927911 is a deficient number, since it is larger than the sum of its proper divisors (23568642641).

70705927911 is a wasteful number, since it uses less digits than its factorization.

70705927911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23568642640.

The product of its (nonzero) digits is 277830, while the sum is 48.

The spelling of 70705927911 in words is "seventy billion, seven hundred five million, nine hundred twenty-seven thousand, nine hundred eleven".