75226998761 has 2 divisors, whose sum is σ = 75226998762. Its totient is φ = 75226998760.

The previous prime is 75226998719. The next prime is 75226998779. The reversal of 75226998761 is 16789962257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74457491161 + 769507600 = 272869^2 + 27740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75226998761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75226998694 and 75226998703.

It is not a weakly prime, because it can be changed into another prime (75226992761) 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, 37613499380 + 37613499381.

It is an arithmetic number, because the mean of its divisors is an integer number (37613499381).

Almost surely, 2^75226998761 is an apocalyptic number.

It is an amenable number.

75226998761 is a deficient number, since it is larger than the sum of its proper divisors (1).

75226998761 is an equidigital number, since it uses as much as digits as its factorization.

75226998761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 62.

The spelling of 75226998761 in words is "seventy-five billion, two hundred twenty-six million, nine hundred ninety-eight thousand, seven hundred sixty-one".