800554539 has 16 divisors (see below), whose sum is σ = 1086710400. Its totient is φ = 524071296.

The previous prime is 800554511. The next prime is 800554549. The reversal of 800554539 is 935455008.

It is not a de Polignac number, because 800554539 - 2⁷ = 800554411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 800554497 and 800554506.

It is not an unprimeable number, because it can be changed into a prime (800554549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203907 + ... + 207795.

It is an arithmetic number, because the mean of its divisors is an integer number (67919400).

Almost surely, 2^800554539 is an apocalyptic number.

800554539 is a deficient number, since it is larger than the sum of its proper divisors (286155861).

800554539 is a wasteful number, since it uses less digits than its factorization.

800554539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 800554539 is about 28294.0725064456. The cubic root of 800554539 is about 928.5322123500.

The spelling of 800554539 in words is "eight hundred million, five hundred fifty-four thousand, five hundred thirty-nine".