99676657 has 2 divisors, whose sum is σ = 99676658. Its totient is φ = 99676656.

The previous prime is 99676651. The next prime is 99676667. The reversal of 99676657 is 75667699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57699216 + 41977441 = 7596^2 + 6479^2 .

It is a cyclic number.

It is not a de Polignac number, because 99676657 - 2³ = 99676649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99676598 and 99676607.

It is not a weakly prime, because it can be changed into another prime (99676651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49838328 + 49838329.

It is an arithmetic number, because the mean of its divisors is an integer number (49838329).

Almost surely, 2^99676657 is an apocalyptic number.

It is an amenable number.

99676657 is a deficient number, since it is larger than the sum of its proper divisors (1).

99676657 is an equidigital number, since it uses as much as digits as its factorization.

99676657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 55.

The square root of 99676657 is about 9983.8197599917. The cubic root of 99676657 is about 463.6580681030.

The spelling of 99676657 in words is "ninety-nine million, six hundred seventy-six thousand, six hundred fifty-seven".