11846877647 has 4 divisors (see below), whose sum is σ = 12923866536. Its totient is φ = 10769888760.

The previous prime is 11846877643. The next prime is 11846877673. The reversal of 11846877647 is 74677864811.

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 11846877647 - 2² = 11846877643 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 (11846877643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538494428 + ... + 538494449.

It is an arithmetic number, because the mean of its divisors is an integer number (3230966634).

Almost surely, 2^11846877647 is an apocalyptic number.

11846877647 is a deficient number, since it is larger than the sum of its proper divisors (1076988889).

11846877647 is a wasteful number, since it uses less digits than its factorization.

11846877647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076988888.

The product of its digits is 12644352, while the sum is 59.

The spelling of 11846877647 in words is "eleven billion, eight hundred forty-six million, eight hundred seventy-seven thousand, six hundred forty-seven".