117620653 has 2 divisors, whose sum is σ = 117620654. Its totient is φ = 117620652.

The previous prime is 117620641. The next prime is 117620693. The reversal of 117620653 is 356026711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84879369 + 32741284 = 9213^2 + 5722^2 .

It is an emirp because it is prime and its reverse (356026711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117620653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117620693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58810326 + 58810327.

It is an arithmetic number, because the mean of its divisors is an integer number (58810327).

Almost surely, 2^117620653 is an apocalyptic number.

It is an amenable number.

117620653 is a deficient number, since it is larger than the sum of its proper divisors (1).

117620653 is an equidigital number, since it uses as much as digits as its factorization.

117620653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 117620653 is about 10845.3055743026. The cubic root of 117620653 is about 489.9606424032.

The spelling of 117620653 in words is "one hundred seventeen million, six hundred twenty thousand, six hundred fifty-three".