99669707 has 2 divisors, whose sum is σ = 99669708. Its totient is φ = 99669706.

The previous prime is 99669697. The next prime is 99669737. The reversal of 99669707 is 70796699.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99669707 is a prime.

It is not a weakly prime, because it can be changed into another prime (99669737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49834853 + 49834854.

It is an arithmetic number, because the mean of its divisors is an integer number (49834854).

Almost surely, 2^99669707 is an apocalyptic number.

99669707 is a deficient number, since it is larger than the sum of its proper divisors (1).

99669707 is an equidigital number, since it uses as much as digits as its factorization.

99669707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 99669707 is about 9983.4716907497. The cubic root of 99669707 is about 463.6472915964.

The spelling of 99669707 in words is "ninety-nine million, six hundred sixty-nine thousand, seven hundred seven".