98910305957 has 2 divisors, whose sum is σ = 98910305958. Its totient is φ = 98910305956.

The previous prime is 98910305953. The next prime is 98910306013. The reversal of 98910305957 is 75950301989.

It is an a-pointer prime, because the next prime (98910306013) can be obtained adding 98910305957 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55199622916 + 43710683041 = 234946^2 + 209071^2 .

It is a cyclic number.

It is not a de Polignac number, because 98910305957 - 2² = 98910305953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98910305953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49455152978 + 49455152979.

It is an arithmetic number, because the mean of its divisors is an integer number (49455152979).

Almost surely, 2^98910305957 is an apocalyptic number.

It is an amenable number.

98910305957 is a deficient number, since it is larger than the sum of its proper divisors (1).

98910305957 is an equidigital number, since it uses as much as digits as its factorization.

98910305957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 56.

The spelling of 98910305957 in words is "ninety-eight billion, nine hundred ten million, three hundred five thousand, nine hundred fifty-seven".