98656862677 has 2 divisors, whose sum is σ = 98656862678. Its totient is φ = 98656862676.

The previous prime is 98656862659. The next prime is 98656862737. The reversal of 98656862677 is 77626865689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84189343716 + 14467518961 = 290154^2 + 120281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98656862677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98656862627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49328431338 + 49328431339.

It is an arithmetic number, because the mean of its divisors is an integer number (49328431339).

Almost surely, 2^98656862677 is an apocalyptic number.

It is an amenable number.

98656862677 is a deficient number, since it is larger than the sum of its proper divisors (1).

98656862677 is an equidigital number, since it uses as much as digits as its factorization.

98656862677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 365783040, while the sum is 70.

The spelling of 98656862677 in words is "ninety-eight billion, six hundred fifty-six million, eight hundred sixty-two thousand, six hundred seventy-seven".