117078447 has 8 divisors (see below), whose sum is σ = 156156544. Its totient is φ = 78026328.

The previous prime is 117078427. The next prime is 117078469. The reversal of 117078447 is 744870711.

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

It is not a de Polignac number, because 117078447 - 2⁷ = 117078319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117078407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10038 + ... + 18300.

It is an arithmetic number, because the mean of its divisors is an integer number (19519568).

Almost surely, 2^117078447 is an apocalyptic number.

117078447 is a deficient number, since it is larger than the sum of its proper divisors (39078097).

117078447 is an equidigital number, since it uses as much as digits as its factorization.

117078447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989.

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 117078447 is about 10820.2794326210. The cubic root of 117078447 is about 489.2066113913.

The spelling of 117078447 in words is "one hundred seventeen million, seventy-eight thousand, four hundred forty-seven".