801376811 has 4 divisors (see below), whose sum is σ = 803186232. Its totient is φ = 799567392.

The previous prime is 801376783. The next prime is 801376817. The reversal of 801376811 is 118673108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-801376811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801376817) 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, 904046 + ... + 904931.

It is an arithmetic number, because the mean of its divisors is an integer number (200796558).

Almost surely, 2^801376811 is an apocalyptic number.

801376811 is a deficient number, since it is larger than the sum of its proper divisors (1809421).

801376811 is a wasteful number, since it uses less digits than its factorization.

801376811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809420.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 801376811 is about 28308.5995944695. The cubic root of 801376811 is about 928.8500107198.

The spelling of 801376811 in words is "eight hundred one million, three hundred seventy-six thousand, eight hundred eleven".