117725247774 has 32 divisors (see below), whose sum is σ = 261624414240. Its totient is φ = 39239836416.

The previous prime is 117725247767. The next prime is 117725247779. The reversal of 117725247774 is 477742527711.

117725247774 = 18900² + 18901² + ... + 19223².

117725247774 is a `hidden beast` number, since 11 + 77 + 25 + 2 + 477 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 117725247774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117725247779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460494 + ... + 1538990.

It is an arithmetic number, because the mean of its divisors is an integer number (8175762945).

Almost surely, 2^117725247774 is an apocalyptic number.

117725247774 is an abundant number, since it is smaller than the sum of its proper divisors (143899166466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117725247774 is a wasteful number, since it uses less digits than its factorization.

117725247774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106281 (or 106275 counting only the distinct ones).

The product of its digits is 5378240, while the sum is 54.

The spelling of 117725247774 in words is "one hundred seventeen billion, seven hundred twenty-five million, two hundred forty-seven thousand, seven hundred seventy-four".