99272787139 has 2 divisors, whose sum is σ = 99272787140. Its totient is φ = 99272787138.

The previous prime is 99272787113. The next prime is 99272787143. The reversal of 99272787139 is 93178727299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99272787139 - 2¹¹ = 99272785091 is a prime.

It is not a weakly prime, because it can be changed into another prime (99272787169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49636393569 + 49636393570.

It is an arithmetic number, because the mean of its divisors is an integer number (49636393570).

Almost surely, 2^99272787139 is an apocalyptic number.

99272787139 is a deficient number, since it is larger than the sum of its proper divisors (1).

99272787139 is an equidigital number, since it uses as much as digits as its factorization.

99272787139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24004512, while the sum is 64.

The spelling of 99272787139 in words is "ninety-nine billion, two hundred seventy-two million, seven hundred eighty-seven thousand, one hundred thirty-nine".