117470879 has 2 divisors, whose sum is σ = 117470880. Its totient is φ = 117470878.

The previous prime is 117470869. The next prime is 117470923. The reversal of 117470879 is 978074711.

It is a happy number.

It is an a-pointer prime, because the next prime (117470923) can be obtained adding 117470879 to its sum of digits (44).

It is a weak prime.

It is an emirp because it is prime and its reverse (978074711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117470879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117470869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58735439 + 58735440.

It is an arithmetic number, because the mean of its divisors is an integer number (58735440).

Almost surely, 2^117470879 is an apocalyptic number.

117470879 is a deficient number, since it is larger than the sum of its proper divisors (1).

117470879 is an equidigital number, since it uses as much as digits as its factorization.

117470879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 117470879 is about 10838.3983595363. The cubic root of 117470879 is about 489.7525878556.

The spelling of 117470879 in words is "one hundred seventeen million, four hundred seventy thousand, eight hundred seventy-nine".