65672877601 has 4 divisors (see below), whose sum is σ = 66653069872. Its totient is φ = 64692685332.

The previous prime is 65672877593. The next prime is 65672877709. The reversal of 65672877601 is 10677827656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65672877601 - 2³ = 65672877593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65672877301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490096035 + ... + 490096168.

It is an arithmetic number, because the mean of its divisors is an integer number (16663267468).

Almost surely, 2^65672877601 is an apocalyptic number.

It is an amenable number.

65672877601 is a deficient number, since it is larger than the sum of its proper divisors (980192271).

65672877601 is an equidigital number, since it uses as much as digits as its factorization.

65672877601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980192270.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 65672877601 in words is "sixty-five billion, six hundred seventy-two million, eight hundred seventy-seven thousand, six hundred one".