7609745856 has 28 divisors (see below), whose sum is σ = 20134119752. Its totient is φ = 2536581888.

The previous prime is 7609745851. The next prime is 7609745861. The reversal of 7609745856 is 6585479067.

It is an interprime number because it is at equal distance from previous prime (7609745851) and next prime (7609745861).

It is a junction number, because it is equal to n+sod(n) for n = 7609745796 and 7609745805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7609745851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19816855 + ... + 19817238.

Almost surely, 2^7609745856 is an apocalyptic number.

It is an amenable number.

7609745856 is an abundant number, since it is smaller than the sum of its proper divisors (12524373896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7609745856 is a wasteful number, since it uses less digits than its factorization.

7609745856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39634108 (or 39634098 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The square root of 7609745856 is about 87233.8572803014. The cubic root of 7609745856 is about 1966.9351930318.

The spelling of 7609745856 in words is "seven billion, six hundred nine million, seven hundred forty-five thousand, eight hundred fifty-six".