544140787 has 2 divisors, whose sum is σ = 544140788. Its totient is φ = 544140786.

The previous prime is 544140721. The next prime is 544140809. The reversal of 544140787 is 787041445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544140787 is a prime.

It is not a weakly prime, because it can be changed into another prime (544146787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272070393 + 272070394.

It is an arithmetic number, because the mean of its divisors is an integer number (272070394).

Almost surely, 2^544140787 is an apocalyptic number.

544140787 is a deficient number, since it is larger than the sum of its proper divisors (1).

544140787 is an equidigital number, since it uses as much as digits as its factorization.

544140787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 544140787 is about 23326.8254805492. The cubic root of 544140787 is about 816.4014363653.

The spelling of 544140787 in words is "five hundred forty-four million, one hundred forty thousand, seven hundred eighty-seven".