65728437607 has 8 divisors (see below), whose sum is σ = 79071804800. Its totient is φ = 53373468024.

The previous prime is 65728437589. The next prime is 65728437689. The reversal of 65728437607 is 70673482756.

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

It is not a de Polignac number, because 65728437607 - 2¹¹ = 65728435559 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 (65728431607) 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, 247099257 + ... + 247099522.

It is an arithmetic number, because the mean of its divisors is an integer number (9883975600).

Almost surely, 2^65728437607 is an apocalyptic number.

65728437607 is a deficient number, since it is larger than the sum of its proper divisors (13343367193).

65728437607 is a wasteful number, since it uses less digits than its factorization.

65728437607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494198805.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 65728437607 in words is "sixty-five billion, seven hundred twenty-eight million, four hundred thirty-seven thousand, six hundred seven".