98815260769 has 2 divisors, whose sum is σ = 98815260770. Its totient is φ = 98815260768.

The previous prime is 98815260763. The next prime is 98815260871. The reversal of 98815260769 is 96706251889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92165673744 + 6649587025 = 303588^2 + 81545^2 .

It is a cyclic number.

It is not a de Polignac number, because 98815260769 - 2⁵ = 98815260737 is a prime.

It is a super-2 number, since 2×98815260769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98815260763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49407630384 + 49407630385.

It is an arithmetic number, because the mean of its divisors is an integer number (49407630385).

Almost surely, 2^98815260769 is an apocalyptic number.

It is an amenable number.

98815260769 is a deficient number, since it is larger than the sum of its proper divisors (1).

98815260769 is an equidigital number, since it uses as much as digits as its factorization.

98815260769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 98815260769 in words is "ninety-eight billion, eight hundred fifteen million, two hundred sixty thousand, seven hundred sixty-nine".