8072428687 has 2 divisors, whose sum is σ = 8072428688. Its totient is φ = 8072428686.

The previous prime is 8072428627. The next prime is 8072428697. The reversal of 8072428687 is 7868242708.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8072428687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8072428607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036214343 + 4036214344.

It is an arithmetic number, because the mean of its divisors is an integer number (4036214344).

Almost surely, 2^8072428687 is an apocalyptic number.

8072428687 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072428687 is an equidigital number, since it uses as much as digits as its factorization.

8072428687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 8072428687 is about 89846.6954706738. The cubic root of 8072428687 is about 2006.0176000029.

The spelling of 8072428687 in words is "eight billion, seventy-two million, four hundred twenty-eight thousand, six hundred eighty-seven".