83447860011 has 4 divisors (see below), whose sum is σ = 111263813352. Its totient is φ = 55631906672.

The previous prime is 83447860009. The next prime is 83447860079. The reversal of 83447860011 is 11006874438.

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

It is a cyclic number.

It is not a de Polignac number, because 83447860011 - 2¹ = 83447860009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83447860211) 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, 13907976666 + ... + 13907976671.

It is an arithmetic number, because the mean of its divisors is an integer number (27815953338).

Almost surely, 2^83447860011 is an apocalyptic number.

83447860011 is a deficient number, since it is larger than the sum of its proper divisors (27815953341).

83447860011 is a wasteful number, since it uses less digits than its factorization.

83447860011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27815953340.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 83447860011 in words is "eighty-three billion, four hundred forty-seven million, eight hundred sixty thousand, eleven".