8256049679 has 2 divisors, whose sum is σ = 8256049680. Its totient is φ = 8256049678.

The previous prime is 8256049639. The next prime is 8256049777. The reversal of 8256049679 is 9769406528.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8256049679 - 2²⁰ = 8255001103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8256049639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128024839 + 4128024840.

It is an arithmetic number, because the mean of its divisors is an integer number (4128024840).

Almost surely, 2^8256049679 is an apocalyptic number.

8256049679 is a deficient number, since it is larger than the sum of its proper divisors (1).

8256049679 is an equidigital number, since it uses as much as digits as its factorization.

8256049679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 8256049679 is about 90862.8069068967. The cubic root of 8256049679 is about 2021.1137927638.

The spelling of 8256049679 in words is "eight billion, two hundred fifty-six million, forty-nine thousand, six hundred seventy-nine".