65214879 has 4 divisors (see below), whose sum is σ = 86953176. Its totient is φ = 43476584.

The previous prime is 65214869. The next prime is 65214949. The reversal of 65214879 is 97841256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65214879 - 2⁵ = 65214847 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65214879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65214869) 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, 10869144 + ... + 10869149.

It is an arithmetic number, because the mean of its divisors is an integer number (21738294).

Almost surely, 2^65214879 is an apocalyptic number.

65214879 is a deficient number, since it is larger than the sum of its proper divisors (21738297).

65214879 is a wasteful number, since it uses less digits than its factorization.

65214879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21738296.

The product of its digits is 120960, while the sum is 42.

The square root of 65214879 is about 8075.5729827672. The cubic root of 65214879 is about 402.5151498226.

The spelling of 65214879 in words is "sixty-five million, two hundred fourteen thousand, eight hundred seventy-nine".