65879475722 has 8 divisors (see below), whose sum is σ = 98820324516. Its totient is φ = 32939367552.

The previous prime is 65879475707. The next prime is 65879475799. The reversal of 65879475722 is 22757497856.

It can be written as a sum of positive squares in 2 ways, for example, as 36714008881 + 29165466841 = 191609^2 + 170779^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186128 + ... + 407924.

Almost surely, 2^65879475722 is an apocalyptic number.

65879475722 is a deficient number, since it is larger than the sum of its proper divisors (32940848794).

65879475722 is a wasteful number, since it uses less digits than its factorization.

65879475722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370312.

The product of its digits is 59270400, while the sum is 62.

The spelling of 65879475722 in words is "sixty-five billion, eight hundred seventy-nine million, four hundred seventy-five thousand, seven hundred twenty-two".