801516047 has 4 divisors (see below), whose sum is σ = 801604080. Its totient is φ = 801428016.

The previous prime is 801516031. The next prime is 801516049. The reversal of 801516047 is 740615108.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 801516047 - 2⁴ = 801516031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801516049) 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, 28547 + ... + 49172.

It is an arithmetic number, because the mean of its divisors is an integer number (200401020).

Almost surely, 2^801516047 is an apocalyptic number.

801516047 is a deficient number, since it is larger than the sum of its proper divisors (88033).

801516047 is a wasteful number, since it uses less digits than its factorization.

801516047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88032.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 801516047 is about 28311.0587403580. The cubic root of 801516047 is about 928.9038022566.

The spelling of 801516047 in words is "eight hundred one million, five hundred sixteen thousand, forty-seven".