65086872 has 32 divisors (see below), whose sum is σ = 169793280. Its totient is φ = 20752160.

The previous prime is 65086871. The next prime is 65086877. The reversal of 65086872 is 27868056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65086871) 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, 58404 + ... + 59507.

It is an arithmetic number, because the mean of its divisors is an integer number (5306040).

Almost surely, 2^65086872 is an apocalyptic number.

It is an amenable number.

65086872 is an abundant number, since it is smaller than the sum of its proper divisors (104706408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65086872 is a wasteful number, since it uses less digits than its factorization.

65086872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117943 (or 117939 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 65086872 is about 8067.6435221197. The cubic root of 65086872 is about 402.2516184212.

The spelling of 65086872 in words is "sixty-five million, eighty-six thousand, eight hundred seventy-two".