1987247514 has 32 divisors (see below), whose sum is σ = 4638928896. Its totient is φ = 555703920.

The previous prime is 1987247501. The next prime is 1987247567. The reversal of 1987247514 is 4157427891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501382 + ... + 505329.

It is an arithmetic number, because the mean of its divisors is an integer number (144966528).

Almost surely, 2^1987247514 is an apocalyptic number.

1987247514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1987247514 is an abundant number, since it is smaller than the sum of its proper divisors (2651681382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1987247514 is a wasteful number, since it uses less digits than its factorization.

1987247514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006770.

The product of its digits is 564480, while the sum is 48.

The square root of 1987247514 is about 44578.5544180158. The cubic root of 1987247514 is about 1257.2374838391.

The spelling of 1987247514 in words is "one billion, nine hundred eighty-seven million, two hundred forty-seven thousand, five hundred fourteen".