811368761 has 8 divisors (see below), whose sum is σ = 976082880. Its totient is φ = 658855728.

The previous prime is 811368743. The next prime is 811368773. The reversal of 811368761 is 167863118.

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 811368761 - 2⁶ = 811368697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (811668761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050126 + ... + 3050391.

It is an arithmetic number, because the mean of its divisors is an integer number (122010360).

Almost surely, 2^811368761 is an apocalyptic number.

It is an amenable number.

811368761 is a deficient number, since it is larger than the sum of its proper divisors (164714119).

811368761 is a wasteful number, since it uses less digits than its factorization.

811368761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100543.

The product of its digits is 48384, while the sum is 41.

The square root of 811368761 is about 28484.5354710236. The cubic root of 811368761 is about 932.6945252765.

The spelling of 811368761 in words is "eight hundred eleven million, three hundred sixty-eight thousand, seven hundred sixty-one".