800700980 has 12 divisors (see below), whose sum is σ = 1681472100. Its totient is φ = 320280384.

The previous prime is 800700947. The next prime is 800700997. The reversal of 800700980 is 89007008.

It can be written as a sum of positive squares in 2 ways, for example, as 277755556 + 522945424 = 16666^2 + 22868^2 .

It is a super-3 number, since 3×800700980³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20017505 + ... + 20017544.

It is an arithmetic number, because the mean of its divisors is an integer number (140122675).

Almost surely, 2^800700980 is an apocalyptic number.

It is an amenable number.

800700980 is an abundant number, since it is smaller than the sum of its proper divisors (880771120).

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

800700980 is a wasteful number, since it uses less digits than its factorization.

800700980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40035058 (or 40035056 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 800700980 is about 28296.6602269596. The cubic root of 800700980 is about 928.5888259800.

Adding to 800700980 its reverse (89007008), we get a palindrome (889707988).

The spelling of 800700980 in words is "eight hundred million, seven hundred thousand, nine hundred eighty".