987134668 has 12 divisors (see below), whose sum is σ = 1860369280. Its totient is φ = 455600592.

The previous prime is 987134663. The next prime is 987134669. The reversal of 987134668 is 866431789.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 18983359 = 987134668 / (9 + 8 + 7 + 1 + 3 + 4 + 6 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (987134663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9491628 + ... + 9491731.

Almost surely, 2^987134668 is an apocalyptic number.

It is an amenable number.

987134668 is a deficient number, since it is larger than the sum of its proper divisors (873234612).

987134668 is a wasteful number, since it uses less digits than its factorization.

987134668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18983376 (or 18983374 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 987134668 is about 31418.6993365416. The cubic root of 987134668 is about 995.6930326637.

The spelling of 987134668 in words is "nine hundred eighty-seven million, one hundred thirty-four thousand, six hundred sixty-eight".