8072420487 has 32 divisors (see below), whose sum is σ = 11142109440. Its totient is φ = 5195473920.

The previous prime is 8072420467. The next prime is 8072420497. The reversal of 8072420487 is 7840242708.

It is not a de Polignac number, because 8072420487 - 2⁸ = 8072420231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072420467) 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 31 ways as a sum of consecutive naturals, for example, 4272439 + ... + 4274327.

It is an arithmetic number, because the mean of its divisors is an integer number (348190920).

Almost surely, 2^8072420487 is an apocalyptic number.

8072420487 is a deficient number, since it is larger than the sum of its proper divisors (3069688953).

8072420487 is a wasteful number, since it uses less digits than its factorization.

8072420487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 8072420487 is about 89846.6498373757. The cubic root of 8072420487 is about 2006.0169207629.

The spelling of 8072420487 in words is "eight billion, seventy-two million, four hundred twenty thousand, four hundred eighty-seven".