64908803455 has 8 divisors (see below), whose sum is σ = 77932294992. Its totient is φ = 51899222208.

The previous prime is 64908803441. The next prime is 64908803459. The reversal of 64908803455 is 55430880946.

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 64908803455 - 2¹⁵ = 64908770687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64908803459) 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, 3467302 + ... + 3485971.

It is an arithmetic number, because the mean of its divisors is an integer number (9741536874).

Almost surely, 2^64908803455 is an apocalyptic number.

64908803455 is a deficient number, since it is larger than the sum of its proper divisors (13023491537).

64908803455 is a wasteful number, since it uses less digits than its factorization.

64908803455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955145.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 64908803455 in words is "sixty-four billion, nine hundred eight million, eight hundred three thousand, four hundred fifty-five".