61327711 has 2 divisors, whose sum is σ = 61327712. Its totient is φ = 61327710.

The previous prime is 61327709. The next prime is 61327723. The reversal of 61327711 is 11772316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61327711 - 2¹ = 61327709 is a prime.

It is a super-2 number, since 2×61327711² = 7522176272999042, which contains 22 as substring.

Together with 61327709, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61327711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61327111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30663855 + 30663856.

It is an arithmetic number, because the mean of its divisors is an integer number (30663856).

Almost surely, 2^61327711 is an apocalyptic number.

61327711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61327711 is an equidigital number, since it uses as much as digits as its factorization.

61327711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 28.

The square root of 61327711 is about 7831.2011211563. The cubic root of 61327711 is about 394.3533959850.

The spelling of 61327711 in words is "sixty-one million, three hundred twenty-seven thousand, seven hundred eleven".