117725287669 has 4 divisors (see below), whose sum is σ = 128427586560. Its totient is φ = 107022988780.

The previous prime is 117725287661. The next prime is 117725287703. The reversal of 117725287669 is 966782527711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117725287669 - 2³ = 117725287661 is a prime.

It is a super-2 number, since 2×117725287669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117725287661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351149429 + ... + 5351149450.

It is an arithmetic number, because the mean of its divisors is an integer number (32106896640).

Almost surely, 2^117725287669 is an apocalyptic number.

It is an amenable number.

117725287669 is a deficient number, since it is larger than the sum of its proper divisors (10702298891).

117725287669 is a wasteful number, since it uses less digits than its factorization.

117725287669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702298890.

The product of its digits is 17781120, while the sum is 61.

The spelling of 117725287669 in words is "one hundred seventeen billion, seven hundred twenty-five million, two hundred eighty-seven thousand, six hundred sixty-nine".