614077861 has 2 divisors, whose sum is σ = 614077862. Its totient is φ = 614077860.

The previous prime is 614077831. The next prime is 614077873. The reversal of 614077861 is 168770416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612562500 + 1515361 = 24750^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 614077861 - 2⁵ = 614077829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (614077801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307038930 + 307038931.

It is an arithmetic number, because the mean of its divisors is an integer number (307038931).

Almost surely, 2^614077861 is an apocalyptic number.

It is an amenable number.

614077861 is a deficient number, since it is larger than the sum of its proper divisors (1).

614077861 is an equidigital number, since it uses as much as digits as its factorization.

614077861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 614077861 is about 24780.5944440403. The cubic root of 614077861 is about 849.9782513466.

The spelling of 614077861 in words is "six hundred fourteen million, seventy-seven thousand, eight hundred sixty-one".