980027820 has 36 divisors (see below), whose sum is σ = 2972751600. Its totient is φ = 261340704.

The previous prime is 980027801. The next prime is 980027833. The reversal of 980027820 is 28720089.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2722120 + ... + 2722479.

Almost surely, 2^980027820 is an apocalyptic number.

980027820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

980027820 is an abundant number, since it is smaller than the sum of its proper divisors (1992723780).

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

980027820 is a wasteful number, since it uses less digits than its factorization.

980027820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444614 (or 5444609 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 980027820 is about 31305.3960204946. The cubic root of 980027820 is about 993.2977873662.

The spelling of 980027820 in words is "nine hundred eighty million, twenty-seven thousand, eight hundred twenty".