97677722141 has 2 divisors, whose sum is σ = 97677722142. Its totient is φ = 97677722140.

The previous prime is 97677722081. The next prime is 97677722161. The reversal of 97677722141 is 14122777679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97646875225 + 30846916 = 312485^2 + 5554^2 .

It is a cyclic number.

It is not a de Polignac number, because 97677722141 - 2¹⁴ = 97677705757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97677722161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48838861070 + 48838861071.

It is an arithmetic number, because the mean of its divisors is an integer number (48838861071).

Almost surely, 2^97677722141 is an apocalyptic number.

It is an amenable number.

97677722141 is a deficient number, since it is larger than the sum of its proper divisors (1).

97677722141 is an equidigital number, since it uses as much as digits as its factorization.

97677722141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 53.

The spelling of 97677722141 in words is "ninety-seven billion, six hundred seventy-seven million, seven hundred twenty-two thousand, one hundred forty-one".