478688251137 has 32 divisors (see below), whose sum is σ = 657068421120. Its totient is φ = 309758904000.

The previous prime is 478688251133. The next prime is 478688251169. The reversal of 478688251137 is 731152886874.

It is not a de Polignac number, because 478688251137 - 2² = 478688251133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478688251133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147241762 + ... + 147245012.

It is an arithmetic number, because the mean of its divisors is an integer number (20533388160).

Almost surely, 2^478688251137 is an apocalyptic number.

It is an amenable number.

478688251137 is a deficient number, since it is larger than the sum of its proper divisors (178380169983).

478688251137 is a wasteful number, since it uses less digits than its factorization.

478688251137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053.

The product of its digits is 18063360, while the sum is 60.

The spelling of 478688251137 in words is "four hundred seventy-eight billion, six hundred eighty-eight million, two hundred fifty-one thousand, one hundred thirty-seven".