1987095086 has 12 divisors (see below), whose sum is σ = 3005186688. Its totient is φ = 985371912.

The previous prime is 1987095083. The next prime is 1987095119. The reversal of 1987095086 is 6805907891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987095083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 709040 + ... + 711836.

It is an arithmetic number, because the mean of its divisors is an integer number (250432224).

Almost surely, 2^1987095086 is an apocalyptic number.

1987095086 is a deficient number, since it is larger than the sum of its proper divisors (1018091602).

1987095086 is an frugal number, since it uses more digits than its factorization.

1987095086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 1987095086 is about 44576.8447290743. The cubic root of 1987095086 is about 1257.2053383559.

The spelling of 1987095086 in words is "one billion, nine hundred eighty-seven million, ninety-five thousand, eighty-six".