99748057 has 2 divisors, whose sum is σ = 99748058. Its totient is φ = 99748056.

The previous prime is 99748037. The next prime is 99748073. The reversal of 99748057 is 75084799.

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., 74235456 + 25512601 = 8616^2 + 5051^2 .

It is a cyclic number.

It is not a de Polignac number, because 99748057 - 2¹⁵ = 99715289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99748057.

It is not a weakly prime, because it can be changed into another prime (99748037) 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 as a sum of consecutive naturals, namely, 49874028 + 49874029.

It is an arithmetic number, because the mean of its divisors is an integer number (49874029).

Almost surely, 2^99748057 is an apocalyptic number.

It is an amenable number.

99748057 is a deficient number, since it is larger than the sum of its proper divisors (1).

99748057 is an equidigital number, since it uses as much as digits as its factorization.

99748057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 99748057 is about 9987.3949055797. The cubic root of 99748057 is about 463.7687502681.

The spelling of 99748057 in words is "ninety-nine million, seven hundred forty-eight thousand, fifty-seven".