65609000277 has 8 divisors (see below), whose sum is σ = 87563355264. Its totient is φ = 43696989408.

The previous prime is 65609000257. The next prime is 65609000287. The reversal of 65609000277 is 77200090656.

It is a happy number.

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

It is not a de Polignac number, because 65609000277 - 2⁶ = 65609000213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65609000257) 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, 10582413 + ... + 10588610.

It is an arithmetic number, because the mean of its divisors is an integer number (10945419408).

Almost surely, 2^65609000277 is an apocalyptic number.

It is an amenable number.

65609000277 is a deficient number, since it is larger than the sum of its proper divisors (21954354987).

65609000277 is a wasteful number, since it uses less digits than its factorization.

65609000277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21172059.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 65609000277 in words is "sixty-five billion, six hundred nine million, two hundred seventy-seven", and thus it is an aban number.