83698788789638 has 64 divisors (see below), whose sum is σ = 146109729153024. Its totient is φ = 35601783168000.

The previous prime is 83698788789631. The next prime is 83698788789643.

83698788789638 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83698788789631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10085006 + ... + 16404417.

It is an arithmetic number, because the mean of its divisors is an integer number (2282964518016).

Almost surely, 2^{83698788789638} is an apocalyptic number.

83698788789638 is a deficient number, since it is larger than the sum of its proper divisors (62410940363386).

83698788789638 is a wasteful number, since it uses less digits than its factorization.

83698788789638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26489621.

The product of its digits is 337105649664, while the sum is 98.

The spelling of 83698788789638 in words is "eighty-three trillion, six hundred ninety-eight billion, seven hundred eighty-eight million, seven hundred eighty-nine thousand, six hundred thirty-eight".