7664475247 has 16 divisors (see below), whose sum is σ = 9294888960. Its totient is φ = 6224248800.

The previous prime is 7664475241. The next prime is 7664475257. The reversal of 7664475247 is 7425744667.

It is not a de Polignac number, because 7664475247 - 2¹⁵ = 7664442479 is a prime.

It is a super-2 number, since 2×7664475247² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7664475194 and 7664475203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664475241) 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 15 ways as a sum of consecutive naturals, for example, 860047 + ... + 868912.

It is an arithmetic number, because the mean of its divisors is an integer number (580930560).

Almost surely, 2^7664475247 is an apocalyptic number.

7664475247 is a deficient number, since it is larger than the sum of its proper divisors (1630413713).

7664475247 is a wasteful number, since it uses less digits than its factorization.

7664475247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729014.

The product of its digits is 7902720, while the sum is 52.

The square root of 7664475247 is about 87546.9887945896. The cubic root of 7664475247 is about 1971.6393413747.

The spelling of 7664475247 in words is "seven billion, six hundred sixty-four million, four hundred seventy-five thousand, two hundred forty-seven".