64367448855 has 8 divisors (see below), whose sum is σ = 102987918192. Its totient is φ = 34329306048.

The previous prime is 64367448853. The next prime is 64367448863. The reversal of 64367448855 is 55884476346.

It is a happy number.

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

It is not a de Polignac number, because 64367448855 - 2¹ = 64367448853 is a prime.

It is a super-2 number, since 2×64367448855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64367448853) 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, 2145581614 + ... + 2145581643.

It is an arithmetic number, because the mean of its divisors is an integer number (12873489774).

Almost surely, 2^64367448855 is an apocalyptic number.

64367448855 is a deficient number, since it is larger than the sum of its proper divisors (38620469337).

64367448855 is a wasteful number, since it uses less digits than its factorization.

64367448855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291163265.

The product of its digits is 77414400, while the sum is 60.

The spelling of 64367448855 in words is "sixty-four billion, three hundred sixty-seven million, four hundred forty-eight thousand, eight hundred fifty-five".