800144377 has 4 divisors (see below), whose sum is σ = 805240996. Its totient is φ = 795047760.

The previous prime is 800144363. The next prime is 800144383. The reversal of 800144377 is 773441008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260790201 + 539354176 = 16149^2 + 23224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800144377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800144327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548074 + ... + 2548387.

It is an arithmetic number, because the mean of its divisors is an integer number (201310249).

Almost surely, 2^800144377 is an apocalyptic number.

It is an amenable number.

800144377 is a deficient number, since it is larger than the sum of its proper divisors (5096619).

800144377 is a wasteful number, since it uses less digits than its factorization.

800144377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096618.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 800144377 is about 28286.8233812141. The cubic root of 800144377 is about 928.3736082527.

The spelling of 800144377 in words is "eight hundred million, one hundred forty-four thousand, three hundred seventy-seven".