1147688983 has 8 divisors (see below), whose sum is σ = 1368672768. Its totient is φ = 940962264.

The previous prime is 1147688951. The next prime is 1147688987. The reversal of 1147688983 is 3898867411.

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 1147688983 - 2⁵ = 1147688951 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 (1147688987) 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, 3564091 + ... + 3564412.

It is an arithmetic number, because the mean of its divisors is an integer number (171084096).

Almost surely, 2^1147688983 is an apocalyptic number.

1147688983 is a deficient number, since it is larger than the sum of its proper divisors (220983785).

1147688983 is an equidigital number, since it uses as much as digits as its factorization.

1147688983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128533.

The product of its digits is 2322432, while the sum is 55.

The square root of 1147688983 is about 33877.5586930345. The cubic root of 1147688983 is about 1046.9872772107.

The spelling of 1147688983 in words is "one billion, one hundred forty-seven million, six hundred eighty-eight thousand, nine hundred eighty-three".