9787404049 has 2 divisors, whose sum is σ = 9787404050. Its totient is φ = 9787404048.

The previous prime is 9787404007. The next prime is 9787404059. The reversal of 9787404049 is 9404047879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9575992449 + 211411600 = 97857^2 + 14540^2 .

It is a cyclic number.

It is not a de Polignac number, because 9787404049 - 2¹⁵ = 9787371281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9787403987 and 9787404005.

It is not a weakly prime, because it can be changed into another prime (9787404059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4893702024 + 4893702025.

It is an arithmetic number, because the mean of its divisors is an integer number (4893702025).

Almost surely, 2^9787404049 is an apocalyptic number.

It is an amenable number.

9787404049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9787404049 is an equidigital number, since it uses as much as digits as its factorization.

9787404049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 9787404049 is about 98931.3097507559. The cubic root of 9787404049 is about 2139.0577306389.

The spelling of 9787404049 in words is "nine billion, seven hundred eighty-seven million, four hundred four thousand, forty-nine".