83986468938 has 24 divisors (see below), whose sum is σ = 189882452448. Its totient is φ = 26778294312.

The previous prime is 83986468927. The next prime is 83986468957.

83986468938 is a `hidden beast` number, since 83 + 9 + 86 + 468 + 9 + 3 + 8 = 666.

83986468938 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101432520 + ... + 101433347.

It is an arithmetic number, because the mean of its divisors is an integer number (7911768852).

Almost surely, 2^83986468938 is an apocalyptic number.

83986468938 is an abundant number, since it is smaller than the sum of its proper divisors (105895983510).

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

83986468938 is a wasteful number, since it uses less digits than its factorization.

83986468938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202865898 (or 202865895 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 72.

The spelling of 83986468938 in words is "eighty-three billion, nine hundred eighty-six million, four hundred sixty-eight thousand, nine hundred thirty-eight".