65487177213 has 8 divisors (see below), whose sum is σ = 87319835328. Its totient is φ = 43656318624.

The previous prime is 65487177191. The next prime is 65487177221. The reversal of 65487177213 is 31277178456.

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

It is not a de Polignac number, because 65487177213 - 2⁸ = 65487176957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65487177253) 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, 362545 + ... + 512262.

It is an arithmetic number, because the mean of its divisors is an integer number (10914979416).

Almost surely, 2^65487177213 is an apocalyptic number.

It is an amenable number.

65487177213 is a deficient number, since it is larger than the sum of its proper divisors (21832658115).

65487177213 is a wasteful number, since it uses less digits than its factorization.

65487177213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899763.

The product of its digits is 1975680, while the sum is 51.

The spelling of 65487177213 in words is "sixty-five billion, four hundred eighty-seven million, one hundred seventy-seven thousand, two hundred thirteen".