6286478103128 has 8 divisors (see below), whose sum is σ = 11787146443380. Its totient is φ = 3143239051560.

The previous prime is 6286478103119. The next prime is 6286478103131. The reversal of 6286478103128 is 8213018746826.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6286478103128² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392904881438 + ... + 392904881453.

Almost surely, 2^{6286478103128} is an apocalyptic number.

It is an amenable number.

6286478103128 is a deficient number, since it is larger than the sum of its proper divisors (5500668340252).

6286478103128 is a wasteful number, since it uses less digits than its factorization.

6286478103128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785809762897 (or 785809762893 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 6286478103128 in words is "six trillion, two hundred eighty-six billion, four hundred seventy-eight million, one hundred three thousand, one hundred twenty-eight".