8065547420 has 48 divisors (see below), whose sum is σ = 19722564288. Its totient is φ = 2713152000.

The previous prime is 8065547417. The next prime is 8065547449. The reversal of 8065547420 is 247455608.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 536081 + ... + 550920.

It is an arithmetic number, because the mean of its divisors is an integer number (410886756).

Almost surely, 2^8065547420 is an apocalyptic number.

It is an amenable number.

8065547420 is an abundant number, since it is smaller than the sum of its proper divisors (11657016868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8065547420 is a wasteful number, since it uses less digits than its factorization.

8065547420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087070 (or 1087068 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 8065547420 is about 89808.3928149257. The cubic root of 8065547420 is about 2005.4474342592.

The spelling of 8065547420 in words is "eight billion, sixty-five million, five hundred forty-seven thousand, four hundred twenty".