805629011 has 16 divisors (see below), whose sum is σ = 901238400. Its totient is φ = 719906440.

The previous prime is 805629007. The next prime is 805629029. The reversal of 805629011 is 110926508.

It is not a de Polignac number, because 805629011 - 2² = 805629007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805629061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73400 + ... + 83658.

It is an arithmetic number, because the mean of its divisors is an integer number (56327400).

Almost surely, 2^805629011 is an apocalyptic number.

805629011 is a deficient number, since it is larger than the sum of its proper divisors (95609389).

805629011 is a wasteful number, since it uses less digits than its factorization.

805629011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10329 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 805629011 is about 28383.6046160455. The cubic root of 805629011 is about 930.4899761316.

The spelling of 805629011 in words is "eight hundred five million, six hundred twenty-nine thousand, eleven".