8901579397 has 2 divisors, whose sum is σ = 8901579398. Its totient is φ = 8901579396.

The previous prime is 8901579383. The next prime is 8901579481. The reversal of 8901579397 is 7939751098.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8464184001 + 437395396 = 92001^2 + 20914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8901579397 is a prime.

It is a super-2 number, since 2×8901579397² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8901579317) 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, 4450789698 + 4450789699.

It is an arithmetic number, because the mean of its divisors is an integer number (4450789699).

Almost surely, 2^8901579397 is an apocalyptic number.

It is an amenable number.

8901579397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8901579397 is an equidigital number, since it uses as much as digits as its factorization.

8901579397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The square root of 8901579397 is about 94348.1817365867. The cubic root of 8901579397 is about 2072.4736775167.

The spelling of 8901579397 in words is "eight billion, nine hundred one million, five hundred seventy-nine thousand, three hundred ninety-seven".