64604296879 has 8 divisors (see below), whose sum is σ = 68419347840. Its totient is φ = 60873093336.

The previous prime is 64604296871. The next prime is 64604296891. The reversal of 64604296879 is 97869240646.

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

It is not a de Polignac number, because 64604296879 - 2³ = 64604296871 is a prime.

It is a super-3 number, since 3×64604296879³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64604296871) 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, 20960269 + ... + 20963350.

It is an arithmetic number, because the mean of its divisors is an integer number (8552418480).

Almost surely, 2^64604296879 is an apocalyptic number.

64604296879 is a deficient number, since it is larger than the sum of its proper divisors (3815050961).

64604296879 is a wasteful number, since it uses less digits than its factorization.

64604296879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41923709.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 64604296879 in words is "sixty-four billion, six hundred four million, two hundred ninety-six thousand, eight hundred seventy-nine".