94197257761 has 2 divisors, whose sum is σ = 94197257762. Its totient is φ = 94197257760.

The previous prime is 94197257753. The next prime is 94197257879. The reversal of 94197257761 is 16775279149.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88057595025 + 6139662736 = 296745^2 + 78356^2 .

It is a cyclic number.

It is not a de Polignac number, because 94197257761 - 2³ = 94197257753 is a prime.

It is a super-4 number, since 4×94197257761⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94197257696 and 94197257705.

It is not a weakly prime, because it can be changed into another prime (94197257701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47098628880 + 47098628881.

It is an arithmetic number, because the mean of its divisors is an integer number (47098628881).

Almost surely, 2^94197257761 is an apocalyptic number.

It is an amenable number.

94197257761 is a deficient number, since it is larger than the sum of its proper divisors (1).

94197257761 is an equidigital number, since it uses as much as digits as its factorization.

94197257761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 58.

The spelling of 94197257761 in words is "ninety-four billion, one hundred ninety-seven million, two hundred fifty-seven thousand, seven hundred sixty-one".