1374986887 has 2 divisors, whose sum is σ = 1374986888. Its totient is φ = 1374986886.

The previous prime is 1374986869. The next prime is 1374986903. The reversal of 1374986887 is 7886894731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1374986887 - 2¹¹ = 1374984839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374986807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687493443 + 687493444.

It is an arithmetic number, because the mean of its divisors is an integer number (687493444).

Almost surely, 2^1374986887 is an apocalyptic number.

1374986887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374986887 is an equidigital number, since it uses as much as digits as its factorization.

1374986887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 61.

The square root of 1374986887 is about 37080.8156194008. The cubic root of 1374986887 is about 1111.9865103582.

The spelling of 1374986887 in words is "one billion, three hundred seventy-four million, nine hundred eighty-six thousand, eight hundred eighty-seven".