801407691 has 72 divisors (see below), whose sum is σ = 1414278528. Its totient is φ = 435909600.

The previous prime is 801407683. The next prime is 801407729. The reversal of 801407691 is 196704108.

801407691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801407691 - 2³ = 801407683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801406691) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13137801 + ... + 13137861.

Almost surely, 2^801407691 is an apocalyptic number.

801407691 is a deficient number, since it is larger than the sum of its proper divisors (612870837).

801407691 is an equidigital number, since it uses as much as digits as its factorization.

801407691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 801407691 is about 28309.1450065169. The cubic root of 801407691 is about 928.8619412372.

The spelling of 801407691 in words is "eight hundred one million, four hundred seven thousand, six hundred ninety-one".