83820061636 has 12 divisors (see below), whose sum is σ = 151416885760. Its totient is φ = 40558094280.

The previous prime is 83820061621. The next prime is 83820061643. The reversal of 83820061636 is 63616002838.

It is a junction number, because it is equal to n+sod(n) for n = 83820061592 and 83820061601.

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 3 ways as a sum of consecutive naturals, for example, 337983996 + ... + 337984243.

Almost surely, 2^83820061636 is an apocalyptic number.

It is an amenable number.

83820061636 is a deficient number, since it is larger than the sum of its proper divisors (67596824124).

83820061636 is a wasteful number, since it uses less digits than its factorization.

83820061636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675968274 (or 675968272 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 83820061636 in words is "eighty-three billion, eight hundred twenty million, sixty-one thousand, six hundred thirty-six".