117628454 has 8 divisors (see below), whose sum is σ = 177499728. Its totient is φ = 58461880.

The previous prime is 117628447. The next prime is 117628471. The reversal of 117628454 is 454826711.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 175757 + ... + 176424.

It is an arithmetic number, because the mean of its divisors is an integer number (22187466).

Almost surely, 2^117628454 is an apocalyptic number.

117628454 is a deficient number, since it is larger than the sum of its proper divisors (59871274).

117628454 is a wasteful number, since it uses less digits than its factorization.

117628454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352350.

The product of its digits is 53760, while the sum is 38.

The square root of 117628454 is about 10845.6652170349. The cubic root of 117628454 is about 489.9714741133.

The spelling of 117628454 in words is "one hundred seventeen million, six hundred twenty-eight thousand, four hundred fifty-four".