805127465 has 8 divisors (see below), whose sum is σ = 966332808. Its totient is φ = 643982080.

The previous prime is 805127461. The next prime is 805127467. The reversal of 805127465 is 564721508.

It can be written as a sum of positive squares in 4 ways, for example, as 262796521 + 542330944 = 16211^2 + 23288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 805127465 - 2² = 805127461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805127461) 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, 23585 + ... + 46545.

It is an arithmetic number, because the mean of its divisors is an integer number (120791601).

Almost surely, 2^805127465 is an apocalyptic number.

It is an amenable number.

805127465 is a deficient number, since it is larger than the sum of its proper divisors (161205343).

805127465 is a wasteful number, since it uses less digits than its factorization.

805127465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29979.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 805127465 is about 28374.7681047793. The cubic root of 805127465 is about 930.2968432306.

The spelling of 805127465 in words is "eight hundred five million, one hundred twenty-seven thousand, four hundred sixty-five".