61776300067 has 2 divisors, whose sum is σ = 61776300068. Its totient is φ = 61776300066.

The previous prime is 61776300049. The next prime is 61776300101. The reversal of 61776300067 is 76000367716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61776300067 - 2¹⁵ = 61776267299 is a prime.

It is a super-2 number, since 2×61776300067² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61776299996 and 61776300032.

It is not a weakly prime, because it can be changed into another prime (61776300167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30888150033 + 30888150034.

It is an arithmetic number, because the mean of its divisors is an integer number (30888150034).

Almost surely, 2^61776300067 is an apocalyptic number.

61776300067 is a deficient number, since it is larger than the sum of its proper divisors (1).

61776300067 is an equidigital number, since it uses as much as digits as its factorization.

61776300067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 61776300067 in words is "sixty-one billion, seven hundred seventy-six million, three hundred thousand, sixty-seven".