806774280500 has 36 divisors (see below), whose sum is σ = 1762038894252. Its totient is φ = 322701678400.

The previous prime is 806774280493. The next prime is 806774280509. The reversal of 806774280500 is 5082477608.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 2018165776 + 804756114724 = 44924^2 + 897082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806774280509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20064416 + ... + 20104584.

Almost surely, 2^806774280500 is an apocalyptic number.

It is an amenable number.

806774280500 is an abundant number, since it is smaller than the sum of its proper divisors (955264613752).

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

806774280500 is an frugal number, since it uses more digits than its factorization.

806774280500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80357 (or 40176 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 806774280500 in words is "eight hundred six billion, seven hundred seventy-four million, two hundred eighty thousand, five hundred".