7648680547 has 4 divisors (see below), whose sum is σ = 7654606456. Its totient is φ = 7642754640.

The previous prime is 7648680541. The next prime is 7648680551. The reversal of 7648680547 is 7450868467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7450868467 = 7 ⋅1064409781.

It is a cyclic number.

It is not a de Polignac number, because 7648680547 - 2¹⁵ = 7648647779 is a prime.

It is a super-2 number, since 2×7648680547² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7648680541) 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 3 ways as a sum of consecutive naturals, for example, 2961018 + ... + 2963599.

It is an arithmetic number, because the mean of its divisors is an integer number (1913651614).

Almost surely, 2^7648680547 is an apocalyptic number.

7648680547 is a deficient number, since it is larger than the sum of its proper divisors (5925909).

7648680547 is a wasteful number, since it uses less digits than its factorization.

7648680547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925908.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The square root of 7648680547 is about 87456.7352866547. The cubic root of 7648680547 is about 1970.2840466682.

The spelling of 7648680547 in words is "seven billion, six hundred forty-eight million, six hundred eighty thousand, five hundred forty-seven".