84889386942345 has 96 divisors (see below), whose sum is σ = 153369718354944. Its totient is φ = 45043533259200.

The previous prime is 84889386942341. The next prime is 84889386942379. The reversal of 84889386942345 is 54324968398848.

84889386942345 is a `hidden beast` number, since 8 + 4 + 8 + 8 + 93 + 8 + 69 + 423 + 45 = 666.

It is not a de Polignac number, because 84889386942345 - 2² = 84889386942341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84889386942341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 728787460 + ... + 728903930.

It is an arithmetic number, because the mean of its divisors is an integer number (1597601232864).

Almost surely, 2^{84889386942345} is an apocalyptic number.

It is an amenable number.

84889386942345 is a deficient number, since it is larger than the sum of its proper divisors (68480331412599).

84889386942345 is a wasteful number, since it uses less digits than its factorization.

84889386942345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119545 (or 119533 counting only the distinct ones).

The product of its digits is 11466178560, while the sum is 81.

The spelling of 84889386942345 in words is "eighty-four trillion, eight hundred eighty-nine billion, three hundred eighty-six million, nine hundred forty-two thousand, three hundred forty-five".