83157951885 has 8 divisors (see below), whose sum is σ = 133052723040. Its totient is φ = 44350907664.

The previous prime is 83157951841. The next prime is 83157951901. The reversal of 83157951885 is 58815975138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83157951885 - 2¹⁶ = 83157886349 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2771931715 + ... + 2771931744.

It is an arithmetic number, because the mean of its divisors is an integer number (16631590380).

Almost surely, 2^83157951885 is an apocalyptic number.

It is an amenable number.

83157951885 is a deficient number, since it is larger than the sum of its proper divisors (49894771155).

83157951885 is a wasteful number, since it uses less digits than its factorization.

83157951885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543863467.

The product of its digits is 12096000, while the sum is 60.

The spelling of 83157951885 in words is "eighty-three billion, one hundred fifty-seven million, nine hundred fifty-one thousand, eight hundred eighty-five".