78471727301706 has 16 divisors (see below), whose sum is σ = 156955482000000. Its totient is φ = 26155237867808.

The previous prime is 78471727301699. The next prime is 78471727301711. The reversal of 78471727301706 is 60710372717487.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78471727301706.

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, 501056706 + ... + 501213293.

It is an arithmetic number, because the mean of its divisors is an integer number (9809717625000).

Almost surely, 2^{78471727301706} is an apocalyptic number.

78471727301706 is an abundant number, since it is smaller than the sum of its proper divisors (78483754698294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78471727301706 is a wasteful number, since it uses less digits than its factorization.

78471727301706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002283053.

The product of its (nonzero) digits is 19361664, while the sum is 60.

The spelling of 78471727301706 in words is "seventy-eight trillion, four hundred seventy-one billion, seven hundred twenty-seven million, three hundred one thousand, seven hundred six".