8537804893 has 2 divisors, whose sum is σ = 8537804894. Its totient is φ = 8537804892.

The previous prime is 8537804851. The next prime is 8537804897. The reversal of 8537804893 is 3984087358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8006133529 + 531671364 = 89477^2 + 23058^2 .

It is a cyclic number.

It is not a de Polignac number, because 8537804893 - 2⁹ = 8537804381 is a prime.

It is a super-2 number, since 2×8537804893² (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 (8537804897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4268902446 + 4268902447.

It is an arithmetic number, because the mean of its divisors is an integer number (4268902447).

Almost surely, 2^8537804893 is an apocalyptic number.

It is an amenable number.

8537804893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8537804893 is an equidigital number, since it uses as much as digits as its factorization.

8537804893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The square root of 8537804893 is about 92400.2429271698. The cubic root of 8537804893 is about 2043.8486947161.

The spelling of 8537804893 in words is "eight billion, five hundred thirty-seven million, eight hundred four thousand, eight hundred ninety-three".