83970715089 has 16 divisors (see below), whose sum is σ = 112202856000. Its totient is φ = 55859635776.

The previous prime is 83970715067. The next prime is 83970715133. The reversal of 83970715089 is 98051707938.

It is not a de Polignac number, because 83970715089 - 2⁵ = 83970715057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83970715189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3315727 + ... + 3340955.

It is an arithmetic number, because the mean of its divisors is an integer number (7012678500).

Almost surely, 2^83970715089 is an apocalyptic number.

It is an amenable number.

83970715089 is a deficient number, since it is larger than the sum of its proper divisors (28232140911).

83970715089 is a wasteful number, since it uses less digits than its factorization.

83970715089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27584.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 83970715089 in words is "eighty-three billion, nine hundred seventy million, seven hundred fifteen thousand, eighty-nine".