8104840257 has 16 divisors (see below), whose sum is σ = 11430776448. Its totient is φ = 5097502080.

The previous prime is 8104840231. The next prime is 8104840267. The reversal of 8104840257 is 7520484018.

It is a happy number.

It is not a de Polignac number, because 8104840257 - 2¹⁶ = 8104774721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8104840267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799494 + ... + 809567.

It is an arithmetic number, because the mean of its divisors is an integer number (714423528).

Almost surely, 2^8104840257 is an apocalyptic number.

It is an amenable number.

8104840257 is a deficient number, since it is larger than the sum of its proper divisors (3325936191).

8104840257 is a wasteful number, since it uses less digits than its factorization.

8104840257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609160.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 8104840257 is about 90026.8863007046. The cubic root of 8104840257 is about 2008.6987986816.

The spelling of 8104840257 in words is "eight billion, one hundred four million, eight hundred forty thousand, two hundred fifty-seven".