6378451077 has 4 divisors (see below), whose sum is σ = 8504601440. Its totient is φ = 4252300716.

The previous prime is 6378451067. The next prime is 6378451091. The reversal of 6378451077 is 7701548736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6378451077 - 2⁴ = 6378451061 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 (6378451067) 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 3 ways as a sum of consecutive naturals, for example, 1063075177 + ... + 1063075182.

It is an arithmetic number, because the mean of its divisors is an integer number (2126150360).

Almost surely, 2^6378451077 is an apocalyptic number.

It is an amenable number.

6378451077 is a deficient number, since it is larger than the sum of its proper divisors (2126150363).

6378451077 is a wasteful number, since it uses less digits than its factorization.

6378451077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126150362.

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 6378451077 is about 79865.2056718068. The cubic root of 6378451077 is about 1854.5494145150.

The spelling of 6378451077 in words is "six billion, three hundred seventy-eight million, four hundred fifty-one thousand, seventy-seven".