117550380 has 24 divisors (see below), whose sum is σ = 329141232. Its totient is φ = 31346752.

The previous prime is 117550373. The next prime is 117550387. The reversal of 117550380 is 83055711.

It is an interprime number because it is at equal distance from previous prime (117550373) and next prime (117550387).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (117550387) 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, 979527 + ... + 979646.

It is an arithmetic number, because the mean of its divisors is an integer number (13714218).

Almost surely, 2^117550380 is an apocalyptic number.

117550380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117550380 is an abundant number, since it is smaller than the sum of its proper divisors (211590852).

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

117550380 is a wasteful number, since it uses less digits than its factorization.

117550380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959185 (or 1959183 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 117550380 is about 10842.0653014082. The cubic root of 117550380 is about 489.8630465513.

The spelling of 117550380 in words is "one hundred seventeen million, five hundred fifty thousand, three hundred eighty".