99670499 has 2 divisors, whose sum is σ = 99670500. Its totient is φ = 99670498.

The previous prime is 99670481. The next prime is 99670553. The reversal of 99670499 is 99407699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99670499 - 2¹² = 99666403 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99670499.

It is not a weakly prime, because it can be changed into another prime (99670469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49835249 + 49835250.

It is an arithmetic number, because the mean of its divisors is an integer number (49835250).

Almost surely, 2^99670499 is an apocalyptic number.

99670499 is a deficient number, since it is larger than the sum of its proper divisors (1).

99670499 is an equidigital number, since it uses as much as digits as its factorization.

99670499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 99670499 is about 9983.5113562313. The cubic root of 99670499 is about 463.6485196782.

The spelling of 99670499 in words is "ninety-nine million, six hundred seventy thousand, four hundred ninety-nine".