116820828 has 18 divisors (see below), whose sum is σ = 295297184. Its totient is φ = 38940264.

The previous prime is 116820827. The next prime is 116820829. The reversal of 116820828 is 828028611.

It is an interprime number because it is at equal distance from previous prime (116820827) and next prime (116820829).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3245023 = 116820828 / (1 + 1 + 6 + 8 + 2 + 0 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 116820792 and 116820801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116820827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1622476 + ... + 1622547.

Almost surely, 2^116820828 is an apocalyptic number.

116820828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116820828 is an abundant number, since it is smaller than the sum of its proper divisors (178476356).

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

116820828 is a wasteful number, since it uses less digits than its factorization.

116820828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245033 (or 3245028 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 116820828 is about 10808.3684245126. The cubic root of 116820828 is about 488.8475317250.

The spelling of 116820828 in words is "one hundred sixteen million, eight hundred twenty thousand, eight hundred twenty-eight".