800780534 has 8 divisors (see below), whose sum is σ = 1209232800. Its totient is φ = 397702936.

The previous prime is 800780521. The next prime is 800780543. The reversal of 800780534 is 435087008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 800780494 and 800780503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343294 + ... + 1343889.

It is an arithmetic number, because the mean of its divisors is an integer number (151154100).

Almost surely, 2^800780534 is an apocalyptic number.

800780534 is a deficient number, since it is larger than the sum of its proper divisors (408452266).

800780534 is a wasteful number, since it uses less digits than its factorization.

800780534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687334.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 800780534 is about 28298.0659056410. The cubic root of 800780534 is about 928.6195784128.

The spelling of 800780534 in words is "eight hundred million, seven hundred eighty thousand, five hundred thirty-four".