11877836434 has 48 divisors (see below), whose sum is σ = 19614099456. Its totient is φ = 5387731200.

The previous prime is 11877836431. The next prime is 11877836473. The reversal of 11877836434 is 43463877811.

It is not an unprimeable number, because it can be changed into a prime (11877836431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2168319 + ... + 2173789.

It is an arithmetic number, because the mean of its divisors is an integer number (408627072).

Almost surely, 2^11877836434 is an apocalyptic number.

11877836434 is a deficient number, since it is larger than the sum of its proper divisors (7736263022).

11877836434 is a wasteful number, since it uses less digits than its factorization.

11877836434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639 (or 5620 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The spelling of 11877836434 in words is "eleven billion, eight hundred seventy-seven million, eight hundred thirty-six thousand, four hundred thirty-four".