117742249766 has 16 divisors (see below), whose sum is σ = 188527253760. Its totient is φ = 54987113160.

The previous prime is 117742249739. The next prime is 117742249769. The reversal of 117742249766 is 667942247711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117742249769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21817586 + ... + 21822981.

It is an arithmetic number, because the mean of its divisors is an integer number (11782953360).

Almost surely, 2^117742249766 is an apocalyptic number.

117742249766 is a deficient number, since it is larger than the sum of its proper divisors (70785003994).

117742249766 is a wasteful number, since it uses less digits than its factorization.

117742249766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43640659.

The product of its digits is 7112448, while the sum is 56.

The spelling of 117742249766 in words is "one hundred seventeen billion, seven hundred forty-two million, two hundred forty-nine thousand, seven hundred sixty-six".