999662467 has 2 divisors, whose sum is σ = 999662468. Its totient is φ = 999662466.

The previous prime is 999662459. The next prime is 999662473. The reversal of 999662467 is 764266999.

It is a strong prime.

It is an emirp because it is prime and its reverse (764266999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999662467 - 2³ = 999662459 is a prime.

It is not a weakly prime, because it can be changed into another prime (999662767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499831233 + 499831234.

It is an arithmetic number, because the mean of its divisors is an integer number (499831234).

Almost surely, 2^999662467 is an apocalyptic number.

999662467 is a deficient number, since it is larger than the sum of its proper divisors (1).

999662467 is an equidigital number, since it uses as much as digits as its factorization.

999662467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 58.

The square root of 999662467 is about 31617.4392859384. The cubic root of 999662467 is about 999.8874763389.

The spelling of 999662467 in words is "nine hundred ninety-nine million, six hundred sixty-two thousand, four hundred sixty-seven".