980722800 has 90 divisors (see below), whose sum is σ = 3403393032. Its totient is φ = 261525120.

The previous prime is 980722739. The next prime is 980722889. The reversal of 980722800 is 8227089.

It is a tau number, because it is divible by the number of its divisors (90).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 132612 + ... + 139811.

Almost surely, 2^980722800 is an apocalyptic number.

980722800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

980722800 is an abundant number, since it is smaller than the sum of its proper divisors (2422670232).

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

980722800 is a wasteful number, since it uses less digits than its factorization.

980722800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272447 (or 272433 counting only the distinct ones).

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

The square root of 980722800 is about 31316.4940566469. The cubic root of 980722800 is about 993.5325286553.

Adding to 980722800 its reverse (8227089), we get a palindrome (988949889).

The spelling of 980722800 in words is "nine hundred eighty million, seven hundred twenty-two thousand, eight hundred".