83125178368 has 104 divisors (see below), whose sum is σ = 170438328000. Its totient is φ = 40523366400.

The previous prime is 83125178299. The next prime is 83125178459. The reversal of 83125178368 is 86387152138.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27716133 + ... + 27719131.

Almost surely, 2^83125178368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83125178368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85219164000).

83125178368 is an abundant number, since it is smaller than the sum of its proper divisors (87313149632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83125178368 is a wasteful number, since it uses less digits than its factorization.

83125178368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3169 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 83125178368 in words is "eighty-three billion, one hundred twenty-five million, one hundred seventy-eight thousand, three hundred sixty-eight".