117827345037840 has 40 divisors (see below), whose sum is σ = 365264769618048. Its totient is φ = 31420625343360.

The previous prime is 117827345037791. The next prime is 117827345037841. The reversal of 117827345037840 is 48730543728711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×117827345037840³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (117827345037841) 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, 245473635256 + ... + 245473635735.

Almost surely, 2^{117827345037840} is an apocalyptic number.

117827345037840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117827345037840 is an abundant number, since it is smaller than the sum of its proper divisors (247437424580208).

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

117827345037840 is a wasteful number, since it uses less digits than its factorization.

117827345037840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490947271007 (or 490947271001 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 60.

The spelling of 117827345037840 in words is "one hundred seventeen trillion, eight hundred twenty-seven billion, three hundred forty-five million, thirty-seven thousand, eight hundred forty".