117447015 has 32 divisors (see below), whose sum is σ = 216230400. Its totient is φ = 53322624.

The previous prime is 117447007. The next prime is 117447017. The reversal of 117447015 is 510744711.

It is not a de Polignac number, because 117447015 - 2³ = 117447007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117447017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11892 + ... + 19398.

It is an arithmetic number, because the mean of its divisors is an integer number (6757200).

Almost surely, 2^117447015 is an apocalyptic number.

117447015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117447015 is a deficient number, since it is larger than the sum of its proper divisors (98783385).

117447015 is a wasteful number, since it uses less digits than its factorization.

117447015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 117447015 is about 10837.2974029506. The cubic root of 117447015 is about 489.7194214874.

The spelling of 117447015 in words is "one hundred seventeen million, four hundred forty-seven thousand, fifteen".