84072508559172 has 72 divisors (see below), whose sum is σ = 242883776780736. Its totient is φ = 24019961033664.

The previous prime is 84072508559111. The next prime is 84072508559189. The reversal of 84072508559172 is 27195580527048.

84072508559172 is a `hidden beast` number, since 8 + 4 + 0 + 7 + 2 + 5 + 0 + 8 + 559 + 1 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2802558 + ... + 13266474.

Almost surely, 2^{84072508559172} is an apocalyptic number.

It is an amenable number.

84072508559172 is an abundant number, since it is smaller than the sum of its proper divisors (158811268221564).

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

84072508559172 is a wasteful number, since it uses less digits than its factorization.

84072508559172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495817 (or 10495812 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 63.

The spelling of 84072508559172 in words is "eighty-four trillion, seventy-two billion, five hundred eight million, five hundred fifty-nine thousand, one hundred seventy-two".