102728260678 has 16 divisors (see below), whose sum is σ = 165653637120. Its totient is φ = 47625419016.

The previous prime is 102728260651. The next prime is 102728260711. The reversal of 102728260678 is 876062827201.

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, 28757526 + ... + 28761097.

It is an arithmetic number, because the mean of its divisors is an integer number (10353352320).

Almost surely, 2^102728260678 is an apocalyptic number.

102728260678 is a deficient number, since it is larger than the sum of its proper divisors (62925376442).

102728260678 is a wasteful number, since it uses less digits than its factorization.

102728260678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57518691.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 102728260678 in words is "one hundred two billion, seven hundred twenty-eight million, two hundred sixty thousand, six hundred seventy-eight".