99312724771 has 12 divisors (see below), whose sum is σ = 107682013632. Its totient is φ = 91552065696.

The previous prime is 99312724769. The next prime is 99312724783. The reversal of 99312724771 is 17742721399.

It is not a de Polignac number, because 99312724771 - 2¹ = 99312724769 is a prime.

It is a super-4 number, since 4×99312724771⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99312724751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260211 + ... + 516076.

It is an arithmetic number, because the mean of its divisors is an integer number (8973501136).

Almost surely, 2^99312724771 is an apocalyptic number.

99312724771 is a deficient number, since it is larger than the sum of its proper divisors (8369288861).

99312724771 is a wasteful number, since it uses less digits than its factorization.

99312724771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777070 (or 777057 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 52.

The spelling of 99312724771 in words is "ninety-nine billion, three hundred twelve million, seven hundred twenty-four thousand, seven hundred seventy-one".