117800080 has 20 divisors (see below), whose sum is σ = 273885372. Its totient is φ = 47120000.

The previous prime is 117800069. The next prime is 117800087. The reversal of 117800080 is 80008711.

It can be written as a sum of positive squares in 2 ways, for example, as 35426304 + 82373776 = 5952^2 + 9076^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (117800087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736171 + ... + 736330.

Almost surely, 2^117800080 is an apocalyptic number.

117800080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117800080 is an abundant number, since it is smaller than the sum of its proper divisors (156085292).

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

117800080 is a wasteful number, since it uses less digits than its factorization.

117800080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472514 (or 1472508 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 117800080 is about 10853.5745263945. The cubic root of 117800080 is about 490.2096562208.

Adding to 117800080 its reverse (80008711), we get a palindrome (197808791).

The spelling of 117800080 in words is "one hundred seventeen million, eight hundred thousand, eighty".