801266768 has 20 divisors (see below), whose sum is σ = 1560340980. Its totient is φ = 398598144.

The previous prime is 801266747. The next prime is 801266771. The reversal of 801266768 is 867662108.

It can be written as a sum of positive squares in 2 ways, for example, as 351487504 + 449779264 = 18748^2 + 21208^2 .

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, 123953 + ... + 130256.

It is an arithmetic number, because the mean of its divisors is an integer number (78017049).

Almost surely, 2^801266768 is an apocalyptic number.

It is an amenable number.

801266768 is a deficient number, since it is larger than the sum of its proper divisors (759074212).

801266768 is a wasteful number, since it uses less digits than its factorization.

801266768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254414 (or 254408 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 801266768 is about 28306.6558957430. The cubic root of 801266768 is about 928.8074930097.

The spelling of 801266768 in words is "eight hundred one million, two hundred sixty-six thousand, seven hundred sixty-eight".