65785425607 has 8 divisors (see below), whose sum is σ = 71824613760. Its totient is φ = 59756019960.

The previous prime is 65785425581. The next prime is 65785425619. The reversal of 65785425607 is 70652458756.

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 65785425607 - 2¹⁵ = 65785392839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65785425007) 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, 2431557 + ... + 2458462.

It is an arithmetic number, because the mean of its divisors is an integer number (8978076720).

Almost surely, 2^65785425607 is an apocalyptic number.

65785425607 is a deficient number, since it is larger than the sum of its proper divisors (6039188153).

65785425607 is a wasteful number, since it uses less digits than its factorization.

65785425607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891253.

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 65785425607 in words is "sixty-five billion, seven hundred eighty-five million, four hundred twenty-five thousand, six hundred seven".