117228827 has 2 divisors, whose sum is σ = 117228828. Its totient is φ = 117228826.

The previous prime is 117228809. The next prime is 117228833. The reversal of 117228827 is 728822711.

It is a strong prime.

It is an emirp because it is prime and its reverse (728822711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117228827 - 2¹⁴ = 117212443 is a prime.

It is not a weakly prime, because it can be changed into another prime (117228427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58614413 + 58614414.

It is an arithmetic number, because the mean of its divisors is an integer number (58614414).

Almost surely, 2^117228827 is an apocalyptic number.

117228827 is a deficient number, since it is larger than the sum of its proper divisors (1).

117228827 is an equidigital number, since it uses as much as digits as its factorization.

117228827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 38.

The square root of 117228827 is about 10827.2261914121. The cubic root of 117228827 is about 489.4159736243.

The spelling of 117228827 in words is "one hundred seventeen million, two hundred twenty-eight thousand, eight hundred twenty-seven".