575640377 has 4 divisors (see below), whose sum is σ = 619920420. Its totient is φ = 531360336.

The previous prime is 575640371. The next prime is 575640391. The reversal of 575640377 is 773046575.

575640377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 321269776 + 254370601 = 17924^2 + 15949^2 .

It is not a de Polignac number, because 575640377 - 2¹⁰ = 575639353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (575640371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22140002 + ... + 22140027.

It is an arithmetic number, because the mean of its divisors is an integer number (154980105).

Almost surely, 2^575640377 is an apocalyptic number.

It is an amenable number.

575640377 is a deficient number, since it is larger than the sum of its proper divisors (44280043).

575640377 is a wasteful number, since it uses less digits than its factorization.

575640377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44280042.

The product of its (nonzero) digits is 617400, while the sum is 44.

The square root of 575640377 is about 23992.5066843796. The cubic root of 575640377 is about 831.8603343785.

The spelling of 575640377 in words is "five hundred seventy-five million, six hundred forty thousand, three hundred seventy-seven".