7664086136 has 32 divisors (see below), whose sum is σ = 16427340000. Its totient is φ = 3283748736.

The previous prime is 7664086091. The next prime is 7664086139. The reversal of 7664086136 is 6316804667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664086139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227810 + ... + 259278.

It is an arithmetic number, because the mean of its divisors is an integer number (513354375).

Almost surely, 2^7664086136 is an apocalyptic number.

It is an amenable number.

7664086136 is an abundant number, since it is smaller than the sum of its proper divisors (8763253864).

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

7664086136 is a wasteful number, since it uses less digits than its factorization.

7664086136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831 (or 35827 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 7664086136 is about 87544.7664683618. The cubic root of 7664086136 is about 1971.6059753357.

The spelling of 7664086136 in words is "seven billion, six hundred sixty-four million, eighty-six thousand, one hundred thirty-six".