7664080621 has 8 divisors (see below), whose sum is σ = 7794092000. Its totient is φ = 7534528848.

The previous prime is 7664080603. The next prime is 7664080649. The reversal of 7664080621 is 1260804667.

7664080621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7664080621 - 2²³ = 7655692013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664080661) 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 7 ways as a sum of consecutive naturals, for example, 81186 + ... + 148051.

It is an arithmetic number, because the mean of its divisors is an integer number (974261500).

Almost surely, 2^7664080621 is an apocalyptic number.

It is an amenable number.

7664080621 is a deficient number, since it is larger than the sum of its proper divisors (130011379).

7664080621 is a wasteful number, since it uses less digits than its factorization.

7664080621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229803.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 7664080621 is about 87544.7349701854. The cubic root of 7664080621 is about 1971.6055024196.

The spelling of 7664080621 in words is "seven billion, six hundred sixty-four million, eighty thousand, six hundred twenty-one".