83877877838 has 32 divisors (see below), whose sum is σ = 134597453760. Its totient is φ = 39063513600.

The previous prime is 83877877789. The next prime is 83877877847.

83877877838 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×83877877838⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10569320 + ... + 10577252.

It is an arithmetic number, because the mean of its divisors is an integer number (4206170430).

Almost surely, 2^83877877838 is an apocalyptic number.

83877877838 is a deficient number, since it is larger than the sum of its proper divisors (50719575922).

83877877838 is a wasteful number, since it uses less digits than its factorization.

83877877838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11132.

The product of its digits is 708083712, while the sum is 74.

The spelling of 83877877838 in words is "eighty-three billion, eight hundred seventy-seven million, eight hundred seventy-seven thousand, eight hundred thirty-eight".