117257054686779 has 8 divisors (see below), whose sum is σ = 178677416665600. Its totient is φ = 67004031249576.

The previous prime is 117257054686763. The next prime is 117257054686799. The reversal of 117257054686779 is 977686450752711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117257054686779 - 2⁴ = 117257054686763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117257054686779.

It is not an unprimeable number, because it can be changed into a prime (117257054686799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2791834635379 + ... + 2791834635420.

It is an arithmetic number, because the mean of its divisors is an integer number (22334677083200).

Almost surely, 2^{117257054686779} is an apocalyptic number.

117257054686779 is a deficient number, since it is larger than the sum of its proper divisors (61420361978821).

117257054686779 is an equidigital number, since it uses as much as digits as its factorization.

117257054686779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583669270809.

The product of its (nonzero) digits is 1244678400, while the sum is 75.

The spelling of 117257054686779 in words is "one hundred seventeen trillion, two hundred fifty-seven billion, fifty-four million, six hundred eighty-six thousand, seven hundred seventy-nine".