7665501264 has 40 divisors (see below), whose sum is σ = 19865052960. Its totient is φ = 2547101568.

The previous prime is 7665501211. The next prime is 7665501269. The reversal of 7665501264 is 4621055667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7665501269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236674 + ... + 267105.

It is an arithmetic number, because the mean of its divisors is an integer number (496626324).

Almost surely, 2^7665501264 is an apocalyptic number.

It is an amenable number.

7665501264 is an abundant number, since it is smaller than the sum of its proper divisors (12199551696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7665501264 is a wasteful number, since it uses less digits than its factorization.

7665501264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504107 (or 504101 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 7665501264 is about 87552.8484059771. The cubic root of 7665501264 is about 1971.7273163134.

The spelling of 7665501264 in words is "seven billion, six hundred sixty-five million, five hundred one thousand, two hundred sixty-four".