1167490847 has 4 divisors (see below), whose sum is σ = 1176012816. Its totient is φ = 1158968880.

The previous prime is 1167490829. The next prime is 1167490871. The reversal of 1167490847 is 7480947611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1167490847 - 2⁸ = 1167490591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167490817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260779 + ... + 4261052.

It is an arithmetic number, because the mean of its divisors is an integer number (294003204).

Almost surely, 2^1167490847 is an apocalyptic number.

1167490847 is a deficient number, since it is larger than the sum of its proper divisors (8521969).

1167490847 is an equidigital number, since it uses as much as digits as its factorization.

1167490847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521968.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 1167490847 is about 34168.5651879033. The cubic root of 1167490847 is about 1052.9744374176.

The spelling of 1167490847 in words is "one billion, one hundred sixty-seven million, four hundred ninety thousand, eight hundred forty-seven".