75937171489 has 9 divisors (see below), whose sum is σ = 76322424243. Its totient is φ = 75553857792.

The previous prime is 75937171481. The next prime is 75937171507. The reversal of 75937171489 is 98417173957.

The square root of 75937171489 is 275567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60012750625 + 15924420864 = 244975^2 + 126192^2 .

It is not a de Polignac number, because 75937171489 - 2³ = 75937171481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75937171481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65859937 + ... + 65861089.

Almost surely, 2^75937171489 is an apocalyptic number.

75937171489 is the 275567-th square number.

75937171489 is the 137784-th centered octagonal number.

It is an amenable number.

75937171489 is a deficient number, since it is larger than the sum of its proper divisors (385252754).

75937171489 is an frugal number, since it uses more digits than its factorization.

75937171489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 1392 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 61.

The spelling of 75937171489 in words is "seventy-five billion, nine hundred thirty-seven million, one hundred seventy-one thousand, four hundred eighty-nine".