84717717772 has 12 divisors (see below), whose sum is σ = 148539482056. Its totient is φ = 42277865760.

The previous prime is 84717717743. The next prime is 84717717781. The reversal of 84717717772 is 27771771748.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20245929 + ... + 20250112.

Almost surely, 2^84717717772 is an apocalyptic number.

It is an amenable number.

84717717772 is a deficient number, since it is larger than the sum of its proper divisors (63821764284).

84717717772 is a wasteful number, since it uses less digits than its factorization.

84717717772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40496568 (or 40496566 counting only the distinct ones).

The product of its digits is 7529536, while the sum is 58.

The spelling of 84717717772 in words is "eighty-four billion, seven hundred seventeen million, seven hundred seventeen thousand, seven hundred seventy-two".