805044957 has 8 divisors (see below), whose sum is σ = 1073593920. Its totient is φ = 536596320.

The previous prime is 805044917. The next prime is 805044967. The reversal of 805044957 is 759440508.

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

It is not a de Polignac number, because 805044957 - 2⁶ = 805044893 is a prime.

It is a super-2 number, since 2×805044957² = 1296194765582263698, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 805 and 44957 contains 805044957 itself.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805044907) 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, 3769 + ... + 40302.

It is an arithmetic number, because the mean of its divisors is an integer number (134199240).

Almost surely, 2^805044957 is an apocalyptic number.

It is an amenable number.

805044957 is a deficient number, since it is larger than the sum of its proper divisors (268548963).

805044957 is a wasteful number, since it uses less digits than its factorization.

805044957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50163.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 805044957 is about 28373.3141701846. The cubic root of 805044957 is about 930.2650637682.

The spelling of 805044957 in words is "eight hundred five million, forty-four thousand, nine hundred fifty-seven".