12077531774 has 32 divisors (see below), whose sum is σ = 23012729856. Its totient is φ = 4616745120.

The previous prime is 12077531717. The next prime is 12077531813. The reversal of 12077531774 is 47713577021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731702 + ... + 748025.

It is an arithmetic number, because the mean of its divisors is an integer number (719147808).

Almost surely, 2^12077531774 is an apocalyptic number.

12077531774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12077531774 is a deficient number, since it is larger than the sum of its proper divisors (10935198082).

12077531774 is a wasteful number, since it uses less digits than its factorization.

12077531774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479800.

The product of its (nonzero) digits is 288120, while the sum is 44.

The spelling of 12077531774 in words is "twelve billion, seventy-seven million, five hundred thirty-one thousand, seven hundred seventy-four".