800121876 has 24 divisors (see below), whose sum is σ = 1869984480. Its totient is φ = 266273952.

The previous prime is 800121869. The next prime is 800121877. The reversal of 800121876 is 678121008.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800121877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46431 + ... + 61286.

It is an arithmetic number, because the mean of its divisors is an integer number (77916020).

Almost surely, 2^800121876 is an apocalyptic number.

It is an amenable number.

800121876 is an abundant number, since it is smaller than the sum of its proper divisors (1069862604).

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

800121876 is a wasteful number, since it uses less digits than its factorization.

800121876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108343 (or 108341 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 800121876 is about 28286.4256490635. The cubic root of 800121876 is about 928.3649058522.

The spelling of 800121876 in words is "eight hundred million, one hundred twenty-one thousand, eight hundred seventy-six".