8901850082557 has 2 divisors, whose sum is σ = 8901850082558. Its totient is φ = 8901850082556.

The previous prime is 8901850082549. The next prime is 8901850082597. The reversal of 8901850082557 is 7552800581098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5883079356036 + 3018770726521 = 2425506^2 + 1737461^2 .

It is a cyclic number.

It is not a de Polignac number, because 8901850082557 - 2³ = 8901850082549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8901850082597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4450925041278 + 4450925041279.

It is an arithmetic number, because the mean of its divisors is an integer number (4450925041279).

Almost surely, 2^{8901850082557} is an apocalyptic number.

It is an amenable number.

8901850082557 is a deficient number, since it is larger than the sum of its proper divisors (1).

8901850082557 is an equidigital number, since it uses as much as digits as its factorization.

8901850082557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 58.

The spelling of 8901850082557 in words is "eight trillion, nine hundred one billion, eight hundred fifty million, eighty-two thousand, five hundred fifty-seven".