99277927057 has 8 divisors (see below), whose sum is σ = 99388777320. Its totient is φ = 99167124480.

The previous prime is 99277927051. The next prime is 99277927117. The reversal of 99277927057 is 75072977299.

It is a Cunningham number, because it is equal to 315084²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 76693548096 + 22584378961 = 276936^2 + 150281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99277927057 - 2¹⁹ = 99277402769 is a prime.

It is a super-2 number, since 2×99277927057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99277927057.

It is not an unprimeable number, because it can be changed into a prime (99277927051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5509819 + ... + 5527807.

It is an arithmetic number, because the mean of its divisors is an integer number (12423597165).

Almost surely, 2^99277927057 is an apocalyptic number.

It is an amenable number.

99277927057 is a deficient number, since it is larger than the sum of its proper divisors (110850263).

99277927057 is a wasteful number, since it uses less digits than its factorization.

99277927057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23843.

The product of its (nonzero) digits is 35006580, while the sum is 64.

The spelling of 99277927057 in words is "ninety-nine billion, two hundred seventy-seven million, nine hundred twenty-seven thousand, fifty-seven".