755805487 has 2 divisors, whose sum is σ = 755805488. Its totient is φ = 755805486.

The previous prime is 755805469. The next prime is 755805497. The reversal of 755805487 is 784508557.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755805487 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 755805487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755805467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377902743 + 377902744.

It is an arithmetic number, because the mean of its divisors is an integer number (377902744).

Almost surely, 2^755805487 is an apocalyptic number.

755805487 is a deficient number, since it is larger than the sum of its proper divisors (1).

755805487 is an equidigital number, since it uses as much as digits as its factorization.

755805487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568000, while the sum is 49.

The square root of 755805487 is about 27491.9167574762. The cubic root of 755805487 is about 910.8985557565.

The spelling of 755805487 in words is "seven hundred fifty-five million, eight hundred five thousand, four hundred eighty-seven".