99264779 has 2 divisors, whose sum is σ = 99264780. Its totient is φ = 99264778.

The previous prime is 99264773. The next prime is 99264787. The reversal of 99264779 is 97746299.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99264779 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 99264779.

It is not a weakly prime, because it can be changed into another prime (99264773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49632389 + 49632390.

It is an arithmetic number, because the mean of its divisors is an integer number (49632390).

Almost surely, 2^99264779 is an apocalyptic number.

99264779 is a deficient number, since it is larger than the sum of its proper divisors (1).

99264779 is an equidigital number, since it uses as much as digits as its factorization.

99264779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 53.

The square root of 99264779 is about 9963.1711317231. The cubic root of 99264779 is about 463.0185529342.

The spelling of 99264779 in words is "ninety-nine million, two hundred sixty-four thousand, seven hundred seventy-nine".