7478424577 has 12 divisors (see below), whose sum is σ = 8138668800. Its totient is φ = 6868441008.

The previous prime is 7478424553. The next prime is 7478424587. The reversal of 7478424577 is 7754248747.

It is a de Polignac number, because none of the positive numbers 2^k-7478424577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478424587) 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 11 ways as a sum of consecutive naturals, for example, 77553 + ... + 144814.

It is an arithmetic number, because the mean of its divisors is an integer number (678222400).

Almost surely, 2^7478424577 is an apocalyptic number.

It is an amenable number.

7478424577 is a deficient number, since it is larger than the sum of its proper divisors (660244223).

7478424577 is a wasteful number, since it uses less digits than its factorization.

7478424577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222592 (or 222579 counting only the distinct ones).

The product of its digits is 12293120, while the sum is 55.

The square root of 7478424577 is about 86477.8849012856. The cubic root of 7478424577 is about 1955.5550194932. Note that the first 3 decimals are identical.

The spelling of 7478424577 in words is "seven billion, four hundred seventy-eight million, four hundred twenty-four thousand, five hundred seventy-seven".