987807096893 has 2 divisors, whose sum is σ = 987807096894. Its totient is φ = 987807096892.

The previous prime is 987807096877. The next prime is 987807096911. The reversal of 987807096893 is 398690708789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722496600004 + 265310496889 = 849998^2 + 515083^2 .

It is a cyclic number.

It is not a de Polignac number, because 987807096893 - 2⁴ = 987807096877 is a prime.

It is a super-4 number, since 4×987807096893⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 987807096893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987807096833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493903548446 + 493903548447.

It is an arithmetic number, because the mean of its divisors is an integer number (493903548447).

Almost surely, 2^987807096893 is an apocalyptic number.

It is an amenable number.

987807096893 is a deficient number, since it is larger than the sum of its proper divisors (1).

987807096893 is an equidigital number, since it uses as much as digits as its factorization.

987807096893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 987807096893 in words is "nine hundred eighty-seven billion, eight hundred seven million, ninety-six thousand, eight hundred ninety-three".