84724568177672 has 16 divisors (see below), whose sum is σ = 159184763626560. Its totient is φ = 42275297877264.

The previous prime is 84724568177671. The next prime is 84724568177723. The reversal of 84724568177672 is 27677186542748.

It is a self number, because there is not a number n which added to its sum of digits gives 84724568177672.

It is not an unprimeable number, because it can be changed into a prime (84724568177671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10873272308 + ... + 10873280099.

It is an arithmetic number, because the mean of its divisors is an integer number (9949047726660).

Almost surely, 2^{84724568177672} is an apocalyptic number.

It is an amenable number.

84724568177672 is a deficient number, since it is larger than the sum of its proper divisors (74460195448888).

84724568177672 is a wasteful number, since it uses less digits than its factorization.

84724568177672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21746552900 (or 21746552896 counting only the distinct ones).

The product of its digits is 1770209280, while the sum is 74.

The spelling of 84724568177672 in words is "eighty-four trillion, seven hundred twenty-four billion, five hundred sixty-eight million, one hundred seventy-seven thousand, six hundred seventy-two".