1000187726678 has 12 divisors (see below), whose sum is σ = 1745225523252. Its totient is φ = 428651882820.

The previous prime is 1000187726653. The next prime is 1000187726683. The reversal of 1000187726678 is 8766277810001.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 5102998508 + ... + 5102998703.

It is an arithmetic number, because the mean of its divisors is an integer number (145435460271).

Almost surely, 2^{1000187726678} is an apocalyptic number.

1000187726678 is a deficient number, since it is larger than the sum of its proper divisors (745037796574).

1000187726678 is a wasteful number, since it uses less digits than its factorization.

1000187726678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205997227 (or 10205997220 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 1000187726678 in words is "one trillion, one hundred eighty-seven million, seven hundred twenty-six thousand, six hundred seventy-eight".