117456853 has 2 divisors, whose sum is σ = 117456854. Its totient is φ = 117456852.

The previous prime is 117456847. The next prime is 117456919. The reversal of 117456853 is 358654711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 56881764 = 7783^2 + 7542^2 .

It is a cyclic number.

It is not a de Polignac number, because 117456853 - 2⁹ = 117456341 is a prime.

It is a super-2 number, since 2×117456853² = 27592224633327218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117456953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58728426 + 58728427.

It is an arithmetic number, because the mean of its divisors is an integer number (58728427).

Almost surely, 2^117456853 is an apocalyptic number.

It is an amenable number.

117456853 is a deficient number, since it is larger than the sum of its proper divisors (1).

117456853 is an equidigital number, since it uses as much as digits as its factorization.

117456853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 40.

The square root of 117456853 is about 10837.7512888975. The cubic root of 117456853 is about 489.7330949586.

The spelling of 117456853 in words is "one hundred seventeen million, four hundred fifty-six thousand, eight hundred fifty-three".