6642076577 has 8 divisors (see below), whose sum is σ = 6724010496. Its totient is φ = 6560188272.

The previous prime is 6642076549. The next prime is 6642076603. The reversal of 6642076577 is 7756702466.

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 6642076577 - 2¹⁴ = 6642060193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6642076537) 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, 352448 + ... + 370814.

It is an arithmetic number, because the mean of its divisors is an integer number (840501312).

Almost surely, 2^6642076577 is an apocalyptic number.

It is an amenable number.

6642076577 is a deficient number, since it is larger than the sum of its proper divisors (81933919).

6642076577 is a wasteful number, since it uses less digits than its factorization.

6642076577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22807.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The square root of 6642076577 is about 81498.9360482700. The cubic root of 6642076577 is about 1879.7551907915.

The spelling of 6642076577 in words is "six billion, six hundred forty-two million, seventy-six thousand, five hundred seventy-seven".