65008782979 has 8 divisors (see below), whose sum is σ = 74301801728. Its totient is φ = 55717276680.

The previous prime is 65008782913. The next prime is 65008782989. The reversal of 65008782979 is 97928780056.

65008782979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65008782979 - 2¹⁷ = 65008651907 is a prime.

It is a super-2 number, since 2×65008782979² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65008782989) 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, 284457 + ... + 459274.

It is an arithmetic number, because the mean of its divisors is an integer number (9287725216).

Almost surely, 2^65008782979 is an apocalyptic number.

65008782979 is a deficient number, since it is larger than the sum of its proper divisors (9293018749).

65008782979 is a wasteful number, since it uses less digits than its factorization.

65008782979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756225.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 65008782979 in words is "sixty-five billion, eight million, seven hundred eighty-two thousand, nine hundred seventy-nine".