98876808577 has 2 divisors, whose sum is σ = 98876808578. Its totient is φ = 98876808576.

The previous prime is 98876808559. The next prime is 98876808581. The reversal of 98876808577 is 77580867889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94657136896 + 4219671681 = 307664^2 + 64959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98876808577 is a prime.

It is not a weakly prime, because it can be changed into another prime (98876808677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49438404288 + 49438404289.

It is an arithmetic number, because the mean of its divisors is an integer number (49438404289).

Almost surely, 2^98876808577 is an apocalyptic number.

It is an amenable number.

98876808577 is a deficient number, since it is larger than the sum of its proper divisors (1).

98876808577 is an equidigital number, since it uses as much as digits as its factorization.

98876808577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 379330560, while the sum is 73.

The spelling of 98876808577 in words is "ninety-eight billion, eight hundred seventy-six million, eight hundred eight thousand, five hundred seventy-seven".