117759640 has 32 divisors (see below), whose sum is σ = 269963280. Its totient is φ = 46214272.

The previous prime is 117759623. The next prime is 117759647. The reversal of 117759640 is 46957711.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 117759593 and 117759602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117759647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25654 + ... + 29893.

Almost surely, 2^117759640 is an apocalyptic number.

117759640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117759640 is an abundant number, since it is smaller than the sum of its proper divisors (152203640).

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

117759640 is a wasteful number, since it uses less digits than its factorization.

117759640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611 (or 55607 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 117759640 is about 10851.7113857677. The cubic root of 117759640 is about 490.1535545401.

The spelling of 117759640 in words is "one hundred seventeen million, seven hundred fifty-nine thousand, six hundred forty".