117648838 has 4 divisors (see below), whose sum is σ = 176473260. Its totient is φ = 58824418.

The previous prime is 117648829. The next prime is 117648859. The reversal of 117648838 is 838846711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838846711 = 7607 ⋅110273.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29412208 + ... + 29412211.

It is an arithmetic number, because the mean of its divisors is an integer number (44118315).

Almost surely, 2^117648838 is an apocalyptic number.

117648838 is a deficient number, since it is larger than the sum of its proper divisors (58824422).

117648838 is an equidigital number, since it uses as much as digits as its factorization.

117648838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58824421.

The product of its digits is 258048, while the sum is 46.

The square root of 117648838 is about 10846.6049066056. The cubic root of 117648838 is about 489.9997750936. Note that the first 3 decimals are identical.

It can be divided in two parts, 11764 and 8838, that added together give a palindrome (20602).

The spelling of 117648838 in words is "one hundred seventeen million, six hundred forty-eight thousand, eight hundred thirty-eight".