83797279738 has 4 divisors (see below), whose sum is σ = 125695919610. Its totient is φ = 41898639868.

The previous prime is 83797279723. The next prime is 83797279739.

83797279738 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83551636809 + 245642929 = 289053^2 + 15673^2 .

It is not an unprimeable number, because it can be changed into a prime (83797279739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20949319933 + ... + 20949319936.

Almost surely, 2^83797279738 is an apocalyptic number.

83797279738 is a deficient number, since it is larger than the sum of its proper divisors (41898639872).

83797279738 is a wasteful number, since it uses less digits than its factorization.

83797279738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41898639871.

The product of its digits is 224042112, while the sum is 70.

The spelling of 83797279738 in words is "eighty-three billion, seven hundred ninety-seven million, two hundred seventy-nine thousand, seven hundred thirty-eight".