64476486680867 has 8 divisors (see below), whose sum is σ = 67871942975760. Its totient is φ = 61081226085600.

The previous prime is 64476486680833. The next prime is 64476486680873. The reversal of 64476486680867 is 76808668467446.

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 64476486680867 - 2⁸ = 64476486680611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64476486680791 and 64476486680800.

It is not an unprimeable number, because it can be changed into a prime (64476486680267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48248384 + ... + 49566717.

It is an arithmetic number, because the mean of its divisors is an integer number (8483992871970).

Almost surely, 2^{64476486680867} is an apocalyptic number.

64476486680867 is a deficient number, since it is larger than the sum of its proper divisors (3395456294893).

64476486680867 is a wasteful number, since it uses less digits than its factorization.

64476486680867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97849813.

The product of its (nonzero) digits is 12485394432, while the sum is 80.

The spelling of 64476486680867 in words is "sixty-four trillion, four hundred seventy-six billion, four hundred eighty-six million, six hundred eighty thousand, eight hundred sixty-seven".