7645456828 has 12 divisors (see below), whose sum is σ = 13380755080. Its totient is φ = 3822383952.

The previous prime is 7645456813. The next prime is 7645456877. The reversal of 7645456828 is 8286545467.

It is a congruent number.

It is an unprimeable number.

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, 32463 + ... + 127846.

Almost surely, 2^7645456828 is an apocalyptic number.

It is an amenable number.

7645456828 is a deficient number, since it is larger than the sum of its proper divisors (5735298252).

7645456828 is a wasteful number, since it uses less digits than its factorization.

7645456828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172236 (or 172234 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 55.

The square root of 7645456828 is about 87438.3029798726. The cubic root of 7645456828 is about 1970.0072000218.

The spelling of 7645456828 in words is "seven billion, six hundred forty-five million, four hundred fifty-six thousand, eight hundred twenty-eight".