478748799101 has 2 divisors, whose sum is σ = 478748799102. Its totient is φ = 478748799100.

The previous prime is 478748799073. The next prime is 478748799227. The reversal of 478748799101 is 101997847874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460533247876 + 18215551225 = 678626^2 + 134965^2 .

It is a cyclic number.

It is not a de Polignac number, because 478748799101 - 2¹⁸ = 478748536957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478748799701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239374399550 + 239374399551.

It is an arithmetic number, because the mean of its divisors is an integer number (239374399551).

Almost surely, 2^478748799101 is an apocalyptic number.

It is an amenable number.

478748799101 is a deficient number, since it is larger than the sum of its proper divisors (1).

478748799101 is an equidigital number, since it uses as much as digits as its factorization.

478748799101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 65.

The spelling of 478748799101 in words is "four hundred seventy-eight billion, seven hundred forty-eight million, seven hundred ninety-nine thousand, one hundred one".