4247016256478 has 16 divisors (see below), whose sum is σ = 6375764041920. Its totient is φ = 2121762127776.

The previous prime is 4247016256451. The next prime is 4247016256481. The reversal of 4247016256478 is 8746526107424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15623003 + ... + 15892521.

It is an arithmetic number, because the mean of its divisors is an integer number (398485252620).

Almost surely, 2^{4247016256478} is an apocalyptic number.

4247016256478 is a deficient number, since it is larger than the sum of its proper divisors (2128747785442).

4247016256478 is a wasteful number, since it uses less digits than its factorization.

4247016256478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275971.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 4247016256478 in words is "four trillion, two hundred forty-seven billion, sixteen million, two hundred fifty-six thousand, four hundred seventy-eight".