8908999901 has 2 divisors, whose sum is σ = 8908999902. Its totient is φ = 8908999900.

The previous prime is 8908999877. The next prime is 8908999907. The reversal of 8908999901 is 1099998098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5548015225 + 3360984676 = 74485^2 + 57974^2 .

It is a cyclic number.

It is not a de Polignac number, because 8908999901 - 2¹⁰ = 8908998877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8908999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4454499950 + 4454499951.

It is an arithmetic number, because the mean of its divisors is an integer number (4454499951).

Almost surely, 2^8908999901 is an apocalyptic number.

It is an amenable number.

8908999901 is a deficient number, since it is larger than the sum of its proper divisors (1).

8908999901 is an equidigital number, since it uses as much as digits as its factorization.

8908999901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 62.

The square root of 8908999901 is about 94387.4986478612. The cubic root of 8908999901 is about 2073.0494003619.

The spelling of 8908999901 in words is "eight billion, nine hundred eight million, nine hundred ninety-nine thousand, nine hundred one".