99272787113 has 2 divisors, whose sum is σ = 99272787114. Its totient is φ = 99272787112.

The previous prime is 99272787071. The next prime is 99272787139. The reversal of 99272787113 is 31178727299.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71624746384 + 27648040729 = 267628^2 + 166277^2 .

It is an emirp because it is prime and its reverse (31178727299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99272787113 - 2¹² = 99272783017 is a prime.

It is a super-2 number, since 2×99272787113² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99272787143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49636393556 + 49636393557.

It is an arithmetic number, because the mean of its divisors is an integer number (49636393557).

Almost surely, 2^99272787113 is an apocalyptic number.

It is an amenable number.

99272787113 is a deficient number, since it is larger than the sum of its proper divisors (1).

99272787113 is an equidigital number, since it uses as much as digits as its factorization.

99272787113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 56.

The spelling of 99272787113 in words is "ninety-nine billion, two hundred seventy-two million, seven hundred eighty-seven thousand, one hundred thirteen".