1168627987 has 8 divisors (see below), whose sum is σ = 1208068992. Its totient is φ = 1129296000.

The previous prime is 1168627981. The next prime is 1168628047. The reversal of 1168627987 is 7897268611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1168627987 - 2²⁷ = 1034410259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168627981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158 + ... + 48619.

It is an arithmetic number, because the mean of its divisors is an integer number (151008624).

Almost surely, 2^1168627987 is an apocalyptic number.

1168627987 is a deficient number, since it is larger than the sum of its proper divisors (39441005).

1168627987 is an equidigital number, since it uses as much as digits as its factorization.

1168627987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54509.

The product of its digits is 2032128, while the sum is 55.

The square root of 1168627987 is about 34185.2012865216. The cubic root of 1168627987 is about 1053.3161933622.

The spelling of 1168627987 in words is "one billion, one hundred sixty-eight million, six hundred twenty-seven thousand, nine hundred eighty-seven".