7664428652 has 12 divisors (see below), whose sum is σ = 13427980776. Its totient is φ = 3827862720.

The previous prime is 7664428649. The next prime is 7664428657. The reversal of 7664428652 is 2568244667.

It is a self number, because there is not a number n which added to its sum of digits gives 7664428652.

It is not an unprimeable number, because it can be changed into a prime (7664428657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083938 + ... + 1090985.

It is an arithmetic number, because the mean of its divisors is an integer number (1118998398).

Almost surely, 2^7664428652 is an apocalyptic number.

It is an amenable number.

7664428652 is a deficient number, since it is larger than the sum of its proper divisors (5763552124).

7664428652 is a wasteful number, since it uses less digits than its factorization.

7664428652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175808 (or 2175806 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The square root of 7664428652 is about 87546.7226799496. The cubic root of 7664428652 is about 1971.6353459404.

The spelling of 7664428652 in words is "seven billion, six hundred sixty-four million, four hundred twenty-eight thousand, six hundred fifty-two".