117575841 has 4 divisors (see below), whose sum is σ = 156767792. Its totient is φ = 78383892.

The previous prime is 117575837. The next prime is 117575851. The reversal of 117575841 is 148575711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 148575711 = 3 ⋅49525237.

It is not a de Polignac number, because 117575841 - 2² = 117575837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117575841.

It is not an unprimeable number, because it can be changed into a prime (117575851) 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, 19595971 + ... + 19595976.

It is an arithmetic number, because the mean of its divisors is an integer number (39191948).

Almost surely, 2^117575841 is an apocalyptic number.

It is an amenable number.

117575841 is a deficient number, since it is larger than the sum of its proper divisors (39191951).

117575841 is an equidigital number, since it uses as much as digits as its factorization.

117575841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39191950.

The product of its digits is 39200, while the sum is 39.

The square root of 117575841 is about 10843.2394144923. The cubic root of 117575841 is about 489.8984115373.

The spelling of 117575841 in words is "one hundred seventeen million, five hundred seventy-five thousand, eight hundred forty-one".