84727434868 has 12 divisors (see below), whose sum is σ = 154719663840. Its totient is φ = 40521816632.

The previous prime is 84727434851. The next prime is 84727434877. The reversal of 84727434868 is 86843472748.

It is a super-3 number, since 3×84727434868³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460475098 + ... + 460475281.

It is an arithmetic number, because the mean of its divisors is an integer number (12893305320).

Almost surely, 2^84727434868 is an apocalyptic number.

It is an amenable number.

84727434868 is a deficient number, since it is larger than the sum of its proper divisors (69992228972).

84727434868 is a wasteful number, since it uses less digits than its factorization.

84727434868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920950406 (or 920950404 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 61.

The spelling of 84727434868 in words is "eighty-four billion, seven hundred twenty-seven million, four hundred thirty-four thousand, eight hundred sixty-eight".