1987480168 has 8 divisors (see below), whose sum is σ = 3726525330. Its totient is φ = 993740080.

The previous prime is 1987480151. The next prime is 1987480177. The reversal of 1987480168 is 8610847891.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1146364164 + 841116004 = 33858^2 + 29002^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124217503 + ... + 124217518.

Almost surely, 2^1987480168 is an apocalyptic number.

It is an amenable number.

1987480168 is a deficient number, since it is larger than the sum of its proper divisors (1739045162).

1987480168 is a wasteful number, since it uses less digits than its factorization.

1987480168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248435027 (or 248435023 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The square root of 1987480168 is about 44581.1638250955. The cubic root of 1987480168 is about 1257.2865449842.

The spelling of 1987480168 in words is "one billion, nine hundred eighty-seven million, four hundred eighty thousand, one hundred sixty-eight".