117579427 has 16 divisors (see below), whose sum is σ = 145059840. Its totient is φ = 93072672.

The previous prime is 117579419. The next prime is 117579437. The reversal of 117579427 is 724975711.

It is not a de Polignac number, because 117579427 - 2³ = 117579419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117579437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7923 + ... + 17260.

It is an arithmetic number, because the mean of its divisors is an integer number (9066240).

Almost surely, 2^117579427 is an apocalyptic number.

117579427 is a deficient number, since it is larger than the sum of its proper divisors (27480413).

117579427 is a wasteful number, since it uses less digits than its factorization.

117579427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25242.

The product of its digits is 123480, while the sum is 43.

The square root of 117579427 is about 10843.4047697206. The cubic root of 117579427 is about 489.9033920328.

The spelling of 117579427 in words is "one hundred seventeen million, five hundred seventy-nine thousand, four hundred twenty-seven".