65125983587 has 8 divisors (see below), whose sum is σ = 78807913056. Its totient is φ = 52538608512.

The previous prime is 65125983583. The next prime is 65125983607. The reversal of 65125983587 is 78538952156.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65125983587 - 2² = 65125983583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65125983583) 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, 273638468 + ... + 273638705.

It is an arithmetic number, because the mean of its divisors is an integer number (9850989132).

Almost surely, 2^65125983587 is an apocalyptic number.

65125983587 is a deficient number, since it is larger than the sum of its proper divisors (13681929469).

65125983587 is a wasteful number, since it uses less digits than its factorization.

65125983587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547277197.

The product of its digits is 18144000, while the sum is 59.

The spelling of 65125983587 in words is "sixty-five billion, one hundred twenty-five million, nine hundred eighty-three thousand, five hundred eighty-seven".