65313687 has 8 divisors (see below), whose sum is σ = 87771136. Its totient is φ = 43199352.

The previous prime is 65313679. The next prime is 65313701. The reversal of 65313687 is 78631356.

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

It is not a de Polignac number, because 65313687 - 2³ = 65313679 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 (65313607) 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, 85333 + ... + 86094.

It is an arithmetic number, because the mean of its divisors is an integer number (10971392).

Almost surely, 2^65313687 is an apocalyptic number.

65313687 is a deficient number, since it is larger than the sum of its proper divisors (22457449).

65313687 is a wasteful number, since it uses less digits than its factorization.

65313687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171557.

The product of its digits is 90720, while the sum is 39.

The square root of 65313687 is about 8081.6883755809. The cubic root of 65313687 is about 402.7183327373.

The spelling of 65313687 in words is "sixty-five million, three hundred thirteen thousand, six hundred eighty-seven".