1187876134678 has 16 divisors (see below), whose sum is σ = 1883856438720. Its totient is φ = 560199406536.

The previous prime is 1187876134661. The next prime is 1187876134681. The reversal of 1187876134678 is 8764316787811.

It is a super-2 number, since 2×1187876134678² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68845776 + ... + 68863027.

It is an arithmetic number, because the mean of its divisors is an integer number (117741027420).

Almost surely, 2^{1187876134678} is an apocalyptic number.

1187876134678 is a deficient number, since it is larger than the sum of its proper divisors (695980304042).

1187876134678 is a wasteful number, since it uses less digits than its factorization.

1187876134678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137709051.

The product of its digits is 75866112, while the sum is 67.

The spelling of 1187876134678 in words is "one trillion, one hundred eighty-seven billion, eight hundred seventy-six million, one hundred thirty-four thousand, six hundred seventy-eight".