83108402450 has 12 divisors (see below), whose sum is σ = 154581628650. Its totient is φ = 33243360960.

The previous prime is 83108402431. The next prime is 83108402467. The reversal of 83108402450 is 5420480138.

It can be written as a sum of positive squares in 3 ways, for example, as 52370949409 + 30737453041 = 228847^2 + 175321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83108402450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 831083975 + ... + 831084074.

Almost surely, 2^83108402450 is an apocalyptic number.

83108402450 is a deficient number, since it is larger than the sum of its proper divisors (71473226200).

83108402450 is a wasteful number, since it uses less digits than its factorization.

83108402450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662168061 (or 1662168056 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 83108402450 its reverse (5420480138), we get a palindrome (88528882588).

The spelling of 83108402450 in words is "eighty-three billion, one hundred eight million, four hundred two thousand, four hundred fifty".