83757475738 has 8 divisors (see below), whose sum is σ = 126880136820. Its totient is φ = 41464096800.

The previous prime is 83757475733. The next prime is 83757475787.

83757475738 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 83447610129 + 309865609 = 288873^2 + 17603^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 83757475738.

It is not an unprimeable number, because it can be changed into a prime (83757475733) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 207320283 + ... + 207320686.

Almost surely, 2^83757475738 is an apocalyptic number.

83757475738 is a deficient number, since it is larger than the sum of its proper divisors (43122661082).

83757475738 is a wasteful number, since it uses less digits than its factorization.

83757475738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414641072.

The product of its digits is 138297600, while the sum is 64.

The spelling of 83757475738 in words is "eighty-three billion, seven hundred fifty-seven million, four hundred seventy-five thousand, seven hundred thirty-eight".