1187689842374 has 16 divisors (see below), whose sum is σ = 2054718996000. Its totient is φ = 504340115904.

The previous prime is 1187689842373. The next prime is 1187689842389. The reversal of 1187689842374 is 4732489867811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187689842373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389149799 + ... + 389152850.

It is an arithmetic number, because the mean of its divisors is an integer number (128419937250).

Almost surely, 2^{1187689842374} is an apocalyptic number.

1187689842374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1187689842374 is a deficient number, since it is larger than the sum of its proper divisors (867029153626).

1187689842374 is a wasteful number, since it uses less digits than its factorization.

1187689842374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778302767.

The product of its digits is 130056192, while the sum is 68.

The spelling of 1187689842374 in words is "one trillion, one hundred eighty-seven billion, six hundred eighty-nine million, eight hundred forty-two thousand, three hundred seventy-four".