801663875 has 32 divisors (see below), whose sum is σ = 1037297664. Its totient is φ = 617916000.

The previous prime is 801663869. The next prime is 801663943. The reversal of 801663875 is 578366108.

It is not a de Polignac number, because 801663875 - 2⁴ = 801663859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1716392 + ... + 1716858.

It is an arithmetic number, because the mean of its divisors is an integer number (32415552).

Almost surely, 2^801663875 is an apocalyptic number.

801663875 is a deficient number, since it is larger than the sum of its proper divisors (235633789).

801663875 is a wasteful number, since it uses less digits than its factorization.

801663875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 801663875 is about 28313.6694018984. The cubic root of 801663875 is about 928.9609063535.

The spelling of 801663875 in words is "eight hundred one million, six hundred sixty-three thousand, eight hundred seventy-five".