984172555972 has 12 divisors (see below), whose sum is σ = 1723940707216. Its totient is φ = 491618068200.

The previous prime is 984172555957. The next prime is 984172555973. The reversal of 984172555972 is 279555271489.

It is not an unprimeable number, because it can be changed into a prime (984172555973) 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, 117047718 + ... + 117056125.

Almost surely, 2^984172555972 is an apocalyptic number.

It is an amenable number.

984172555972 is a deficient number, since it is larger than the sum of its proper divisors (739768151244).

984172555972 is a wasteful number, since it uses less digits than its factorization.

984172555972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234104898 (or 234104896 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 64.

The spelling of 984172555972 in words is "nine hundred eighty-four billion, one hundred seventy-two million, five hundred fifty-five thousand, nine hundred seventy-two".