7786098245 has 4 divisors (see below), whose sum is σ = 9343317900. Its totient is φ = 6228878592.

The previous prime is 7786098239. The next prime is 7786098247. The reversal of 7786098245 is 5428906877.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5428906877 = 49481 ⋅109717.

It can be written as a sum of positive squares in 2 ways, for example, as 3180847201 + 4605251044 = 56399^2 + 67862^2 .

It is a cyclic number.

It is not a de Polignac number, because 7786098245 - 2²⁰ = 7785049669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7786098247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778609820 + ... + 778609829.

It is an arithmetic number, because the mean of its divisors is an integer number (2335829475).

Almost surely, 2^7786098245 is an apocalyptic number.

It is an amenable number.

7786098245 is a deficient number, since it is larger than the sum of its proper divisors (1557219655).

7786098245 is a wasteful number, since it uses less digits than its factorization.

7786098245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557219654.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 7786098245 is about 88238.8703746824. The cubic root of 7786098245 is about 1982.0135830533.

The spelling of 7786098245 in words is "seven billion, seven hundred eighty-six million, ninety-eight thousand, two hundred forty-five".