1797642115 has 8 divisors (see below), whose sum is σ = 2159523360. Its totient is φ = 1436545152.

The previous prime is 1797642107. The next prime is 1797642127. The reversal of 1797642115 is 5112467971.

It is a happy number.

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 1797642115 - 2³ = 1797642107 is a prime.

It is an unprimeable number.

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, 191014 + ... + 200203.

It is an arithmetic number, because the mean of its divisors is an integer number (269940420).

Almost surely, 2^1797642115 is an apocalyptic number.

1797642115 is a deficient number, since it is larger than the sum of its proper divisors (361881245).

1797642115 is an equidigital number, since it uses as much as digits as its factorization.

1797642115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392141.

The product of its digits is 105840, while the sum is 43.

The square root of 1797642115 is about 42398.6098239081. The cubic root of 1797642115 is about 1215.9090139516.

The spelling of 1797642115 in words is "one billion, seven hundred ninety-seven million, six hundred forty-two thousand, one hundred fifteen".