83976867938 has 8 divisors (see below), whose sum is σ = 127212483420. Its totient is φ = 41572706800.

The previous prime is 83976867917. The next prime is 83976867977.

83976867938 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 82143572449 + 1833295489 = 286607^2 + 42817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×83976867938² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207863333 + ... + 207863736.

Almost surely, 2^83976867938 is an apocalyptic number.

83976867938 is a deficient number, since it is larger than the sum of its proper divisors (43235615482).

83976867938 is a wasteful number, since it uses less digits than its factorization.

83976867938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415727172.

The product of its digits is 658409472, while the sum is 74.

The spelling of 83976867938 in words is "eighty-three billion, nine hundred seventy-six million, eight hundred sixty-seven thousand, nine hundred thirty-eight".