88318870121 has 2 divisors, whose sum is σ = 88318870122. Its totient is φ = 88318870120.

The previous prime is 88318870063. The next prime is 88318870147. The reversal of 88318870121 is 12107881388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74802250000 + 13516620121 = 273500^2 + 116261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88318870121 is a prime.

It is not a weakly prime, because it can be changed into another prime (88318870921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44159435060 + 44159435061.

It is an arithmetic number, because the mean of its divisors is an integer number (44159435061).

Almost surely, 2^88318870121 is an apocalyptic number.

It is an amenable number.

88318870121 is a deficient number, since it is larger than the sum of its proper divisors (1).

88318870121 is an equidigital number, since it uses as much as digits as its factorization.

88318870121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 47.

The spelling of 88318870121 in words is "eighty-eight billion, three hundred eighteen million, eight hundred seventy thousand, one hundred twenty-one".