99272777 has 4 divisors (see below), whose sum is σ = 104497680. Its totient is φ = 94047876.

The previous prime is 99272753. The next prime is 99272779. The reversal of 99272777 is 77727299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77727299 = 13 ⋅5979023.

It is a cyclic number.

It is not a de Polignac number, because 99272777 - 2¹² = 99268681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99272779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612423 + ... + 2612460.

It is an arithmetic number, because the mean of its divisors is an integer number (26124420).

Almost surely, 2^99272777 is an apocalyptic number.

It is an amenable number.

99272777 is a deficient number, since it is larger than the sum of its proper divisors (5224903).

99272777 is a wasteful number, since it uses less digits than its factorization.

99272777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224902.

The product of its digits is 777924, while the sum is 50.

The square root of 99272777 is about 9963.5725018690. The cubic root of 99272777 is about 463.0309881033.

The spelling of 99272777 in words is "ninety-nine million, two hundred seventy-two thousand, seven hundred seventy-seven".