800877840852 has 96 divisors (see below), whose sum is σ = 2024625971200. Its totient is φ = 245613513600.

The previous prime is 800877840799. The next prime is 800877840857. The reversal of 800877840852 is 258048778008.

It is a super-2 number, since 2×800877840852² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 800877840792 and 800877840801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800877840857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 734277 + ... + 1463187.

Almost surely, 2^800877840852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800877840852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012312985600).

800877840852 is an abundant number, since it is smaller than the sum of its proper divisors (1223748130348).

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

800877840852 is a wasteful number, since it uses less digits than its factorization.

800877840852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729077 (or 729075 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 57.

The spelling of 800877840852 in words is "eight hundred billion, eight hundred seventy-seven million, eight hundred forty thousand, eight hundred fifty-two".