537798889 has 2 divisors, whose sum is σ = 537798890. Its totient is φ = 537798888.

The previous prime is 537798871. The next prime is 537798901. The reversal of 537798889 is 988897735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511121664 + 26677225 = 22608^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 537798889 - 2¹⁹ = 537274601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 537798889.

It is not a weakly prime, because it can be changed into another prime (537798839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268899444 + 268899445.

It is an arithmetic number, because the mean of its divisors is an integer number (268899445).

Almost surely, 2^537798889 is an apocalyptic number.

It is an amenable number.

537798889 is a deficient number, since it is larger than the sum of its proper divisors (1).

537798889 is an equidigital number, since it uses as much as digits as its factorization.

537798889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 64.

The square root of 537798889 is about 23190.4913488266. The cubic root of 537798889 is about 813.2173459336.

The spelling of 537798889 in words is "five hundred thirty-seven million, seven hundred ninety-eight thousand, eight hundred eighty-nine".