83250390879 has 12 divisors (see below), whose sum is σ = 120259818432. Its totient is φ = 55495989600.

The previous prime is 83250390871. The next prime is 83250390893. The reversal of 83250390879 is 97809305238.

It is a happy number.

It is not a de Polignac number, because 83250390879 - 2³ = 83250390871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83250390871) 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 11 ways as a sum of consecutive naturals, for example, 230127 + ... + 468464.

It is an arithmetic number, because the mean of its divisors is an integer number (10021651536).

Almost surely, 2^83250390879 is an apocalyptic number.

83250390879 is a deficient number, since it is larger than the sum of its proper divisors (37009427553).

83250390879 is a wasteful number, since it uses less digits than its factorization.

83250390879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711838 (or 711835 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 83250390879 in words is "eighty-three billion, two hundred fifty million, three hundred ninety thousand, eight hundred seventy-nine".