98572817971 has 2 divisors, whose sum is σ = 98572817972. Its totient is φ = 98572817970.

The previous prime is 98572817927. The next prime is 98572818059. The reversal of 98572817971 is 17971827589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98572817971 - 2²¹ = 98570720819 is a prime.

It is not a weakly prime, because it can be changed into another prime (98572817071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49286408985 + 49286408986.

It is an arithmetic number, because the mean of its divisors is an integer number (49286408986).

Almost surely, 2^98572817971 is an apocalyptic number.

98572817971 is a deficient number, since it is larger than the sum of its proper divisors (1).

98572817971 is an equidigital number, since it uses as much as digits as its factorization.

98572817971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 64.

The spelling of 98572817971 in words is "ninety-eight billion, five hundred seventy-two million, eight hundred seventeen thousand, nine hundred seventy-one".