270991117 has 8 divisors (see below), whose sum is σ = 277573824. Its totient is φ = 264421248.

The previous prime is 270991087. The next prime is 270991139. The reversal of 270991117 is 711199072.

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 270991117 - 2⁷ = 270990989 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 (270991157) 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, 50013 + ... + 55165.

It is an arithmetic number, because the mean of its divisors is an integer number (34696728).

Almost surely, 2^270991117 is an apocalyptic number.

It is an amenable number.

270991117 is a deficient number, since it is larger than the sum of its proper divisors (6582707).

270991117 is a wasteful number, since it uses less digits than its factorization.

270991117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 270991117 is about 16461.8078290326. The cubic root of 270991117 is about 647.1202919763.

The spelling of 270991117 in words is "two hundred seventy million, nine hundred ninety-one thousand, one hundred seventeen".