117444557 has 8 divisors (see below), whose sum is σ = 118772280. Its totient is φ = 116121600.

The previous prime is 117444539. The next prime is 117444571. The reversal of 117444557 is 755444711.

It can be written as a sum of positive squares in 4 ways, for example, as 57320041 + 60124516 = 7571^2 + 7754^2 .

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 117444557 - 2¹⁸ = 117182413 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 117444557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117447557) 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, 72557 + ... + 74157.

It is an arithmetic number, because the mean of its divisors is an integer number (14846535).

Almost surely, 2^117444557 is an apocalyptic number.

It is an amenable number.

117444557 is a deficient number, since it is larger than the sum of its proper divisors (1327723).

117444557 is a wasteful number, since it uses less digits than its factorization.

117444557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its digits is 78400, while the sum is 38.

The square root of 117444557 is about 10837.1839976998. The cubic root of 117444557 is about 489.7160050851.

The spelling of 117444557 in words is "one hundred seventeen million, four hundred forty-four thousand, five hundred fifty-seven".