804927457 has 16 divisors (see below), whose sum is σ = 870004800. Its totient is φ = 742210560.

The previous prime is 804927439. The next prime is 804927467. The reversal of 804927457 is 754729408.

It is a cyclic number.

It is not a de Polignac number, because 804927457 - 2²⁷ = 670709729 is a prime.

It is a super-2 number, since 2×804927457² = 1295816422064973698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804927467) 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, 425169 + ... + 427057.

It is an arithmetic number, because the mean of its divisors is an integer number (54375300).

Almost surely, 2^804927457 is an apocalyptic number.

It is an amenable number.

804927457 is a deficient number, since it is larger than the sum of its proper divisors (65077343).

804927457 is a wasteful number, since it uses less digits than its factorization.

804927457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 804927457 is about 28371.2434870240. The cubic root of 804927457 is about 930.2198027500.

The spelling of 804927457 in words is "eight hundred four million, nine hundred twenty-seven thousand, four hundred fifty-seven".