64797879746 has 8 divisors (see below), whose sum is σ = 97272111504. Its totient is φ = 32373842580.

The previous prime is 64797879733. The next prime is 64797879767.

64797879746 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12545420 + ... + 12550583.

It is an arithmetic number, because the mean of its divisors is an integer number (12159013938).

Almost surely, 2^64797879746 is an apocalyptic number.

64797879746 is a deficient number, since it is larger than the sum of its proper divisors (32474231758).

64797879746 is a wasteful number, since it uses less digits than its factorization.

64797879746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25097296.

The product of its digits is 896168448, while the sum is 74.

The spelling of 64797879746 in words is "sixty-four billion, seven hundred ninety-seven million, eight hundred seventy-nine thousand, seven hundred forty-six".