801143247 has 16 divisors (see below), whose sum is σ = 1092026880. Its totient is φ = 522200832.

The previous prime is 801143243. The next prime is 801143269. The reversal of 801143247 is 742341108.

It is not a de Polignac number, because 801143247 - 2² = 801143243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801143243) 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, 175263 + ... + 179775.

It is an arithmetic number, because the mean of its divisors is an integer number (68251680).

Almost surely, 2^801143247 is an apocalyptic number.

801143247 is a deficient number, since it is larger than the sum of its proper divisors (290883633).

801143247 is a wasteful number, since it uses less digits than its factorization.

801143247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 801143247 is about 28304.4739749743. The cubic root of 801143247 is about 928.7597631189.

The spelling of 801143247 in words is "eight hundred one million, one hundred forty-three thousand, two hundred forty-seven".