117657378662558 has 8 divisors (see below), whose sum is σ = 201698363421552. Its totient is φ = 50424590855376.

The previous prime is 117657378662503. The next prime is 117657378662689. The reversal of 117657378662558 is 855266873756711.

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

It is a super-2 number, since 2×117657378662558² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202049237935 + ... + 4202049237962.

It is an arithmetic number, because the mean of its divisors is an integer number (25212295427694).

Almost surely, 2^{117657378662558} is an apocalyptic number.

117657378662558 is a deficient number, since it is larger than the sum of its proper divisors (84040984758994).

117657378662558 is an equidigital number, since it uses as much as digits as its factorization.

117657378662558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404098475906.

The product of its digits is 3556224000, while the sum is 77.

The spelling of 117657378662558 in words is "one hundred seventeen trillion, six hundred fifty-seven billion, three hundred seventy-eight million, six hundred sixty-two thousand, five hundred fifty-eight".