7578745005 has 48 divisors (see below), whose sum is σ = 13174102656. Its totient is φ = 3718690560.

The previous prime is 7578745003. The next prime is 7578745007. The reversal of 7578745005 is 5005478757.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7578745003) and next prime (7578745007).

It is not a de Polignac number, because 7578745005 - 2¹ = 7578745003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7578745003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 783579 + ... + 793191.

It is an arithmetic number, because the mean of its divisors is an integer number (274460472).

Almost surely, 2^7578745005 is an apocalyptic number.

It is an amenable number.

7578745005 is a deficient number, since it is larger than the sum of its proper divisors (5595357651).

7578745005 is a wasteful number, since it uses less digits than its factorization.

7578745005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9958 (or 9945 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

The square root of 7578745005 is about 87055.9877607508. The cubic root of 7578745005 is about 1964.2605677606.

The spelling of 7578745005 in words is "seven billion, five hundred seventy-eight million, seven hundred forty-five thousand, five".