1177484987 has 8 divisors (see below), whose sum is σ = 1346066400. Its totient is φ = 1008995904.

The previous prime is 1177484981. The next prime is 1177484993. The reversal of 1177484987 is 7894847711.

It is an interprime number because it is at equal distance from previous prime (1177484981) and next prime (1177484993).

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

It is a de Polignac number, because none of the positive numbers 2^k-1177484987 is a prime.

It is a super-2 number, since 2×1177484987² = 2772941789220780338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1177484981) 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, 6839 + ... + 49007.

It is an arithmetic number, because the mean of its divisors is an integer number (168258300).

Almost surely, 2^1177484987 is an apocalyptic number.

1177484987 is a deficient number, since it is larger than the sum of its proper divisors (168581413).

1177484987 is an equidigital number, since it uses as much as digits as its factorization.

1177484987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46165.

The product of its digits is 3161088, while the sum is 56.

The square root of 1177484987 is about 34314.5011183319. The cubic root of 1177484987 is about 1055.9705172721.

The spelling of 1177484987 in words is "one billion, one hundred seventy-seven million, four hundred eighty-four thousand, nine hundred eighty-seven".