65307578487 has 8 divisors (see below), whose sum is σ = 91659759360. Its totient is φ = 41246891640.

The previous prime is 65307578443. The next prime is 65307578491. The reversal of 65307578487 is 78487570356.

It is a happy number.

65307578487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65307578487 - 2³⁴ = 48127709303 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 65307578487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65307578417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572873439 + ... + 572873552.

It is an arithmetic number, because the mean of its divisors is an integer number (11457469920).

Almost surely, 2^65307578487 is an apocalyptic number.

65307578487 is a deficient number, since it is larger than the sum of its proper divisors (26352180873).

65307578487 is a wasteful number, since it uses less digits than its factorization.

65307578487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145747013.

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 65307578487 in words is "sixty-five billion, three hundred seven million, five hundred seventy-eight thousand, four hundred eighty-seven".