84187694073 has 32 divisors (see below), whose sum is σ = 135632931840. Its totient is φ = 45374472000.

The previous prime is 84187694047. The next prime is 84187694119. The reversal of 84187694073 is 37049678148.

It is not a de Polignac number, because 84187694073 - 2⁹ = 84187693561 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84187694273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374178 + ... + 555323.

It is an arithmetic number, because the mean of its divisors is an integer number (4238529120).

Almost surely, 2^84187694073 is an apocalyptic number.

It is an amenable number.

84187694073 is a deficient number, since it is larger than the sum of its proper divisors (51445237767).

84187694073 is a wasteful number, since it uses less digits than its factorization.

84187694073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929757.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 84187694073 in words is "eighty-four billion, one hundred eighty-seven million, six hundred ninety-four thousand, seventy-three".