6377664815 has 8 divisors (see below), whose sum is σ = 7760989728. Its totient is φ = 5030270560.

The previous prime is 6377664793. The next prime is 6377664817. The reversal of 6377664815 is 5184667736.

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

It is not a de Polignac number, because 6377664815 - 2¹⁰ = 6377663791 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 (6377664817) 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, 8982272 + ... + 8982981.

It is an arithmetic number, because the mean of its divisors is an integer number (970123716).

Almost surely, 2^6377664815 is an apocalyptic number.

6377664815 is a deficient number, since it is larger than the sum of its proper divisors (1383324913).

6377664815 is a wasteful number, since it uses less digits than its factorization.

6377664815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17965329.

The product of its digits is 5080320, while the sum is 53.

The square root of 6377664815 is about 79860.2830886543. The cubic root of 6377664815 is about 1854.4732088849.

The spelling of 6377664815 in words is "six billion, three hundred seventy-seven million, six hundred sixty-four thousand, eight hundred fifteen".