99262747891 has 2 divisors, whose sum is σ = 99262747892. Its totient is φ = 99262747890.

The previous prime is 99262747879. The next prime is 99262747939. The reversal of 99262747891 is 19874726299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99262747891 - 2⁷ = 99262747763 is a prime.

It is not a weakly prime, because it can be changed into another prime (99262747811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49631373945 + 49631373946.

It is an arithmetic number, because the mean of its divisors is an integer number (49631373946).

Almost surely, 2^99262747891 is an apocalyptic number.

99262747891 is a deficient number, since it is larger than the sum of its proper divisors (1).

99262747891 is an equidigital number, since it uses as much as digits as its factorization.

99262747891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 64.

The spelling of 99262747891 in words is "ninety-nine billion, two hundred sixty-two million, seven hundred forty-seven thousand, eight hundred ninety-one".