1161795687 has 8 divisors (see below), whose sum is σ = 1668219504. Its totient is φ = 714951168.

The previous prime is 1161795673. The next prime is 1161795697. The reversal of 1161795687 is 7865971611.

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

It is not a de Polignac number, because 1161795687 - 2¹¹ = 1161793639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161795637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14894778 + ... + 14894855.

It is an arithmetic number, because the mean of its divisors is an integer number (208527438).

Almost surely, 2^1161795687 is an apocalyptic number.

1161795687 is a deficient number, since it is larger than the sum of its proper divisors (506423817).

1161795687 is a wasteful number, since it uses less digits than its factorization.

1161795687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29789649.

The product of its digits is 635040, while the sum is 51.

The square root of 1161795687 is about 34085.1241306233. The cubic root of 1161795687 is about 1051.2594673588.

The spelling of 1161795687 in words is "one billion, one hundred sixty-one million, seven hundred ninety-five thousand, six hundred eighty-seven".