7664748357 has 32 divisors (see below), whose sum is σ = 12382265344. Its totient is φ = 4124001600.

The previous prime is 7664748337. The next prime is 7664748379. The reversal of 7664748357 is 7538474667.

It is not a de Polignac number, because 7664748357 - 2⁸ = 7664748101 is a prime.

It is a super-2 number, since 2×7664748357² (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 = 7664748297 and 7664748306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664748337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135019 + ... + 183192.

It is an arithmetic number, because the mean of its divisors is an integer number (386945792).

Almost surely, 2^7664748357 is an apocalyptic number.

It is an amenable number.

7664748357 is a deficient number, since it is larger than the sum of its proper divisors (4717516987).

7664748357 is a wasteful number, since it uses less digits than its factorization.

7664748357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318289.

The product of its digits is 23708160, while the sum is 57.

The square root of 7664748357 is about 87548.5485716354. The cubic root of 7664748357 is about 1971.6627597218.

The spelling of 7664748357 in words is "seven billion, six hundred sixty-four million, seven hundred forty-eight thousand, three hundred fifty-seven".