60976718809 has 2 divisors, whose sum is σ = 60976718810. Its totient is φ = 60976718808.

The previous prime is 60976718779. The next prime is 60976718813. The reversal of 60976718809 is 90881767906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51167797209 + 9808921600 = 226203^2 + 99040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60976718809 is a prime.

It is not a weakly prime, because it can be changed into another prime (60976718819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30488359404 + 30488359405.

It is an arithmetic number, because the mean of its divisors is an integer number (30488359405).

Almost surely, 2^60976718809 is an apocalyptic number.

It is an amenable number.

60976718809 is a deficient number, since it is larger than the sum of its proper divisors (1).

60976718809 is an equidigital number, since it uses as much as digits as its factorization.

60976718809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 60976718809 in words is "sixty billion, nine hundred seventy-six million, seven hundred eighteen thousand, eight hundred nine".