65022979 has 8 divisors (see below), whose sum is σ = 74366208. Its totient is φ = 55693320.

The previous prime is 65022967. The next prime is 65022989. The reversal of 65022979 is 97922056.

It is a happy number.

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 65022979 - 2⁷ = 65022851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65022989) 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, 10914 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (9295776).

Almost surely, 2^65022979 is an apocalyptic number.

65022979 is a deficient number, since it is larger than the sum of its proper divisors (9343229).

65022979 is a wasteful number, since it uses less digits than its factorization.

65022979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 65022979 is about 8063.6827194527. The cubic root of 65022979 is about 402.1199509213.

The spelling of 65022979 in words is "sixty-five million, twenty-two thousand, nine hundred seventy-nine".