99996577 has 2 divisors, whose sum is σ = 99996578. Its totient is φ = 99996576.

The previous prime is 99996551. The next prime is 99996583. The reversal of 99996577 is 77569999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70576801 + 29419776 = 8401^2 + 5424^2 .

It is a cyclic number.

It is not a de Polignac number, because 99996577 - 2²³ = 91607969 is a prime.

It is not a weakly prime, because it can be changed into another prime (99996517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49998288 + 49998289.

It is an arithmetic number, because the mean of its divisors is an integer number (49998289).

Almost surely, 2^99996577 is an apocalyptic number.

It is an amenable number.

99996577 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996577 is an equidigital number, since it uses as much as digits as its factorization.

99996577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9644670, while the sum is 61.

The square root of 99996577 is about 9999.8288485354. The cubic root of 99996577 is about 464.1535872480.

The spelling of 99996577 in words is "ninety-nine million, nine hundred ninety-six thousand, five hundred seventy-seven".