117054579 has 4 divisors (see below), whose sum is σ = 156072776. Its totient is φ = 78036384.

The previous prime is 117054563. The next prime is 117054599. The reversal of 117054579 is 975450711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117054579 - 2⁴ = 117054563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117054599) 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, 19509094 + ... + 19509099.

It is an arithmetic number, because the mean of its divisors is an integer number (39018194).

Almost surely, 2^117054579 is an apocalyptic number.

117054579 is a deficient number, since it is larger than the sum of its proper divisors (39018197).

117054579 is an equidigital number, since it uses as much as digits as its factorization.

117054579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39018196.

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 117054579 is about 10819.1764474012. The cubic root of 117054579 is about 489.1733653719.

The spelling of 117054579 in words is "one hundred seventeen million, fifty-four thousand, five hundred seventy-nine".