61097766967 has 2 divisors, whose sum is σ = 61097766968. Its totient is φ = 61097766966.

The previous prime is 61097766901. The next prime is 61097766971. The reversal of 61097766967 is 76966779016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61097766967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61097766899 and 61097766908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61097766997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30548883483 + 30548883484.

It is an arithmetic number, because the mean of its divisors is an integer number (30548883484).

Almost surely, 2^61097766967 is an apocalyptic number.

61097766967 is a deficient number, since it is larger than the sum of its proper divisors (1).

61097766967 is an equidigital number, since it uses as much as digits as its factorization.

61097766967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36006768, while the sum is 64.

The spelling of 61097766967 in words is "sixty-one billion, ninety-seven million, seven hundred sixty-six thousand, nine hundred sixty-seven".