84470073206391 has 12 divisors (see below), whose sum is σ = 122022794988432. Its totient is φ = 56308551203616.

The previous prime is 84470073206377. The next prime is 84470073206399. The reversal of 84470073206391 is 19360237007448.

84470073206391 is a `hidden beast` number, since 8 + 4 + 47 + 0 + 0 + 7 + 3 + 206 + 391 = 666.

It is not a de Polignac number, because 84470073206391 - 2⁵ = 84470073206359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84470073206399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402467091 + ... + 402676916.

It is an arithmetic number, because the mean of its divisors is an integer number (10168566249036).

Almost surely, 2^{84470073206391} is an apocalyptic number.

84470073206391 is a deficient number, since it is larger than the sum of its proper divisors (37552721782041).

84470073206391 is a wasteful number, since it uses less digits than its factorization.

84470073206391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805155670 (or 805155667 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 84470073206391 in words is "eighty-four trillion, four hundred seventy billion, seventy-three million, two hundred six thousand, three hundred ninety-one".