61242877067 has 2 divisors, whose sum is σ = 61242877068. Its totient is φ = 61242877066.

The previous prime is 61242877021. The next prime is 61242877081. The reversal of 61242877067 is 76077824216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61242877067 - 2²² = 61238682763 is a prime.

It is not a weakly prime, because it can be changed into another prime (61242877567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30621438533 + 30621438534.

It is an arithmetic number, because the mean of its divisors is an integer number (30621438534).

Almost surely, 2^61242877067 is an apocalyptic number.

61242877067 is a deficient number, since it is larger than the sum of its proper divisors (1).

61242877067 is an equidigital number, since it uses as much as digits as its factorization.

61242877067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 61242877067 in words is "sixty-one billion, two hundred forty-two million, eight hundred seventy-seven thousand, sixty-seven".