117455078 has 16 divisors (see below), whose sum is σ = 194364576. Its totient is φ = 52887360.

The previous prime is 117455071. The next prime is 117455081. The reversal of 117455078 is 870554711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117455071) 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 7 ways as a sum of consecutive naturals, for example, 54026 + ... + 56157.

It is an arithmetic number, because the mean of its divisors is an integer number (12147786).

Almost surely, 2^117455078 is an apocalyptic number.

117455078 is a deficient number, since it is larger than the sum of its proper divisors (76909498).

117455078 is a wasteful number, since it uses less digits than its factorization.

117455078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110239.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 117455078 is about 10837.6693989068. The cubic root of 117455078 is about 489.7306280084.

The spelling of 117455078 in words is "one hundred seventeen million, four hundred fifty-five thousand, seventy-eight".