64470772233 has 32 divisors (see below), whose sum is σ = 112920902400. Its totient is φ = 35570078208.

The previous prime is 64470772217. The next prime is 64470772253. The reversal of 64470772233 is 33227707446.

64470772233 is a `hidden beast` number, since 64 + 470 + 77 + 22 + 33 = 666.

It is not a de Polignac number, because 64470772233 - 2⁴ = 64470772217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64470772213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5875816 + ... + 5886777.

It is an arithmetic number, because the mean of its divisors is an integer number (3528778200).

Almost surely, 2^64470772233 is an apocalyptic number.

64470772233 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

64470772233 is a deficient number, since it is larger than the sum of its proper divisors (48450130167).

64470772233 is a wasteful number, since it uses less digits than its factorization.

64470772233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762638 (or 11762632 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 45.

The spelling of 64470772233 in words is "sixty-four billion, four hundred seventy million, seven hundred seventy-two thousand, two hundred thirty-three".