801611863 has 8 divisors (see below), whose sum is σ = 914055408. Its totient is φ = 696422784.

The previous prime is 801611849. The next prime is 801611887. The reversal of 801611863 is 368116108.

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

It is a cyclic number.

It is not a de Polignac number, because 801611863 - 2⁵ = 801611831 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 (801611263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813381 + ... + 1813822.

It is an arithmetic number, because the mean of its divisors is an integer number (114256926).

Almost surely, 2^801611863 is an apocalyptic number.

801611863 is a deficient number, since it is larger than the sum of its proper divisors (112443545).

801611863 is a wasteful number, since it uses less digits than its factorization.

801611863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627233.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 801611863 is about 28312.7508907206. The cubic root of 801611863 is about 928.9408155727.

The spelling of 801611863 in words is "eight hundred one million, six hundred eleven thousand, eight hundred sixty-three".