1162997697 has 4 divisors (see below), whose sum is σ = 1550663600. Its totient is φ = 775331796.

The previous prime is 1162997681. The next prime is 1162997723. The reversal of 1162997697 is 7967992611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1162997697 - 2⁴ = 1162997681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162997197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193832947 + ... + 193832952.

It is an arithmetic number, because the mean of its divisors is an integer number (387665900).

Almost surely, 2^1162997697 is an apocalyptic number.

It is an amenable number.

1162997697 is a deficient number, since it is larger than the sum of its proper divisors (387665903).

1162997697 is an equidigital number, since it uses as much as digits as its factorization.

1162997697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387665902.

The product of its digits is 2571912, while the sum is 57.

The square root of 1162997697 is about 34102.7520443732. The cubic root of 1162997697 is about 1051.6218916270.

The spelling of 1162997697 in words is "one billion, one hundred sixty-two million, nine hundred ninety-seven thousand, six hundred ninety-seven".