1167709397 has 8 divisors (see below), whose sum is σ = 1215802392. Its totient is φ = 1120550400.

The previous prime is 1167709369. The next prime is 1167709421. The reversal of 1167709397 is 7939077611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16532356 + 1151177041 = 4066^2 + 33929^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1167709397 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 (1167709327) 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, 230948 + ... + 235949.

It is an arithmetic number, because the mean of its divisors is an integer number (151975299).

Almost surely, 2^1167709397 is an apocalyptic number.

It is an amenable number.

1167709397 is a deficient number, since it is larger than the sum of its proper divisors (48092995).

1167709397 is an equidigital number, since it uses as much as digits as its factorization.

1167709397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466999.

The product of its (nonzero) digits is 500094, while the sum is 50.

The square root of 1167709397 is about 34171.7631532235. The cubic root of 1167709397 is about 1053.0401376344.

The spelling of 1167709397 in words is "one billion, one hundred sixty-seven million, seven hundred nine thousand, three hundred ninety-seven".