6461275767 has 8 divisors (see below), whose sum is σ = 8619955824. Its totient is φ = 4305056448.

The previous prime is 6461275753. The next prime is 6461275817. The reversal of 6461275767 is 7675721646.

It is a happy number.

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

It is not a de Polignac number, because 6461275767 - 2⁸ = 6461275511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461225767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609048 + ... + 619565.

It is an arithmetic number, because the mean of its divisors is an integer number (1077494478).

Almost surely, 2^6461275767 is an apocalyptic number.

6461275767 is a deficient number, since it is larger than the sum of its proper divisors (2158680057).

6461275767 is a wasteful number, since it uses less digits than its factorization.

6461275767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230369.

The product of its digits is 2963520, while the sum is 51.

The square root of 6461275767 is about 80382.0612263707. The cubic root of 6461275767 is about 1862.5420753644.

The spelling of 6461275767 in words is "six billion, four hundred sixty-one million, two hundred seventy-five thousand, seven hundred sixty-seven".