187834737477668 has 12 divisors (see below), whose sum is σ = 329108264340912. Its totient is φ = 93803804808840.

The previous prime is 187834737477661. The next prime is 187834737477689. The reversal of 187834737477668 is 866774737438781.

187834737477668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 187834737477668.

It is not an unprimeable number, because it can be changed into a prime (187834737477661) 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, 28390978778 + ... + 28390985393.

It is an arithmetic number, because the mean of its divisors is an integer number (27425688695076).

Almost surely, 2^{187834737477668} is an apocalyptic number.

It is an amenable number.

187834737477668 is a deficient number, since it is larger than the sum of its proper divisors (141273526863244).

187834737477668 is a wasteful number, since it uses less digits than its factorization.

187834737477668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56781965002 (or 56781965000 counting only the distinct ones).

The product of its digits is 44609273856, while the sum is 86.

The spelling of 187834737477668 in words is "one hundred eighty-seven trillion, eight hundred thirty-four billion, seven hundred thirty-seven million, four hundred seventy-seven thousand, six hundred sixty-eight".