117577642 has 32 divisors (see below), whose sum is σ = 218115072. Its totient is φ = 46289664.

The previous prime is 117577639. The next prime is 117577651. The reversal of 117577642 is 246775711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 117577595 and 117577604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39138 + ... + 42034.

It is an arithmetic number, because the mean of its divisors is an integer number (6816096).

Almost surely, 2^117577642 is an apocalyptic number.

117577642 is a deficient number, since it is larger than the sum of its proper divisors (100537430).

117577642 is a wasteful number, since it uses less digits than its factorization.

117577642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142.

The product of its digits is 82320, while the sum is 40.

The square root of 117577642 is about 10843.3224613123. The cubic root of 117577642 is about 489.9009129087.

The spelling of 117577642 in words is "one hundred seventeen million, five hundred seventy-seven thousand, six hundred forty-two".