8404546057 has 4 divisors (see below), whose sum is σ = 8694358020. Its totient is φ = 8114734096.

The previous prime is 8404546019. The next prime is 8404546091. The reversal of 8404546057 is 7506454048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2985966736 + 5418579321 = 54644^2 + 73611^2 .

It is a cyclic number.

It is not a de Polignac number, because 8404546057 - 2¹¹ = 8404544009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8402546057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144905938 + ... + 144905995.

It is an arithmetic number, because the mean of its divisors is an integer number (2173589505).

Almost surely, 2^8404546057 is an apocalyptic number.

It is an amenable number.

8404546057 is a deficient number, since it is larger than the sum of its proper divisors (289811963).

8404546057 is a wasteful number, since it uses less digits than its factorization.

8404546057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289811962.

The product of its (nonzero) digits is 537600, while the sum is 43.

The square root of 8404546057 is about 91676.3113186825. The cubic root of 8404546057 is about 2033.1593614449.

The spelling of 8404546057 in words is "eight billion, four hundred four million, five hundred forty-six thousand, fifty-seven".