577940893 has 2 divisors, whose sum is σ = 577940894. Its totient is φ = 577940892.

The previous prime is 577940863. The next prime is 577940899. The reversal of 577940893 is 398049775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370062169 + 207878724 = 19237^2 + 14418^2 .

It is a cyclic number.

It is not a de Polignac number, because 577940893 - 2²⁹ = 41069981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 577940893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (577940899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288970446 + 288970447.

It is an arithmetic number, because the mean of its divisors is an integer number (288970447).

Almost surely, 2^577940893 is an apocalyptic number.

It is an amenable number.

577940893 is a deficient number, since it is larger than the sum of its proper divisors (1).

577940893 is an equidigital number, since it uses as much as digits as its factorization.

577940893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 577940893 is about 24040.4012653699. The cubic root of 577940893 is about 832.9670231994.

The spelling of 577940893 in words is "five hundred seventy-seven million, nine hundred forty thousand, eight hundred ninety-three".