8892157481 has 2 divisors, whose sum is σ = 8892157482. Its totient is φ = 8892157480.

The previous prime is 8892157471. The next prime is 8892157487. The reversal of 8892157481 is 1847512988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8884759081 + 7398400 = 94259^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 8892157481 - 2¹⁰ = 8892156457 is a prime.

It is a super-2 number, since 2×8892157481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8892157487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4446078740 + 4446078741.

It is an arithmetic number, because the mean of its divisors is an integer number (4446078741).

Almost surely, 2^8892157481 is an apocalyptic number.

It is an amenable number.

8892157481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8892157481 is an equidigital number, since it uses as much as digits as its factorization.

8892157481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 53.

The square root of 8892157481 is about 94298.2368923195. The cubic root of 8892157481 is about 2071.7422130784.

The spelling of 8892157481 in words is "eight billion, eight hundred ninety-two million, one hundred fifty-seven thousand, four hundred eighty-one".