117282828 has 24 divisors (see below), whose sum is σ = 294711088. Its totient is φ = 36086976.

The previous prime is 117282821. The next prime is 117282833. The reversal of 117282828 is 828282711.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (117282821) 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, 375751 + ... + 376062.

Almost surely, 2^117282828 is an apocalyptic number.

It is an amenable number.

117282828 is an abundant number, since it is smaller than the sum of its proper divisors (177428260).

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

117282828 is a wasteful number, since it uses less digits than its factorization.

117282828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751833 (or 751831 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 117282828 is about 10829.7196639618. The cubic root of 117282828 is about 489.4911112720.

It can be divided in two parts, 11 and 7282828, that multiplied together give a palindrome (80111108).

The spelling of 117282828 in words is "one hundred seventeen million, two hundred eighty-two thousand, eight hundred twenty-eight".