117620719 has 2 divisors, whose sum is σ = 117620720. Its totient is φ = 117620718.

The previous prime is 117620717. The next prime is 117620753. The reversal of 117620719 is 917026711.

It is an a-pointer prime, because the next prime (117620753) can be obtained adding 117620719 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117620719 - 2¹ = 117620717 is a prime.

It is a super-2 number, since 2×117620719² = 27669267076153922, which contains 22 as substring.

Together with 117620717, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117620717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58810359 + 58810360.

It is an arithmetic number, because the mean of its divisors is an integer number (58810360).

Almost surely, 2^117620719 is an apocalyptic number.

117620719 is a deficient number, since it is larger than the sum of its proper divisors (1).

117620719 is an equidigital number, since it uses as much as digits as its factorization.

117620719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 117620719 is about 10845.3086170934. The cubic root of 117620719 is about 489.9607340464.

The spelling of 117620719 in words is "one hundred seventeen million, six hundred twenty thousand, seven hundred nineteen".