647380059 has 8 divisors (see below), whose sum is σ = 875331072. Its totient is φ = 425507880.

The previous prime is 647380049. The next prime is 647380081. The reversal of 647380059 is 950083746.

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 647380059 - 2¹³ = 647371867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 647380059.

It is not an unprimeable number, because it can be changed into a prime (647380039) 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, 1519459 + ... + 1519884.

It is an arithmetic number, because the mean of its divisors is an integer number (109416384).

Almost surely, 2^647380059 is an apocalyptic number.

647380059 is a deficient number, since it is larger than the sum of its proper divisors (227951013).

647380059 is a wasteful number, since it uses less digits than its factorization.

647380059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039417.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 647380059 is about 25443.6644176895. The cubic root of 647380059 is about 865.0736943685.

The spelling of 647380059 in words is "six hundred forty-seven million, three hundred eighty thousand, fifty-nine".