80098977757 has 2 divisors, whose sum is σ = 80098977758. Its totient is φ = 80098977756.

The previous prime is 80098977737. The next prime is 80098977767. The reversal of 80098977757 is 75777989008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61097458041 + 19001519716 = 247179^2 + 137846^2 .

It is a cyclic number.

It is not a de Polignac number, because 80098977757 - 2¹⁹ = 80098453469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80098977692 and 80098977701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80098977737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40049488878 + 40049488879.

It is an arithmetic number, because the mean of its divisors is an integer number (40049488879).

Almost surely, 2^80098977757 is an apocalyptic number.

It is an amenable number.

80098977757 is a deficient number, since it is larger than the sum of its proper divisors (1).

80098977757 is an equidigital number, since it uses as much as digits as its factorization.

80098977757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62233920, while the sum is 67.

The spelling of 80098977757 in words is "eighty billion, ninety-eight million, nine hundred seventy-seven thousand, seven hundred fifty-seven".