61882784143 has 2 divisors, whose sum is σ = 61882784144. Its totient is φ = 61882784142.

The previous prime is 61882784057. The next prime is 61882784149. The reversal of 61882784143 is 34148728816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61882784143 - 2²¹ = 61880686991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61882784149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30941392071 + 30941392072.

It is an arithmetic number, because the mean of its divisors is an integer number (30941392072).

Almost surely, 2^61882784143 is an apocalyptic number.

61882784143 is a deficient number, since it is larger than the sum of its proper divisors (1).

61882784143 is an equidigital number, since it uses as much as digits as its factorization.

61882784143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 52.

The spelling of 61882784143 in words is "sixty-one billion, eight hundred eighty-two million, seven hundred eighty-four thousand, one hundred forty-three".