6712401977 has 4 divisors (see below), whose sum is σ = 6718900980. Its totient is φ = 6705902976.

The previous prime is 6712401967. The next prime is 6712401989. The reversal of 6712401977 is 7791042176.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5390643241 + 1321758736 = 73421^2 + 36356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6712401977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6712401967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247952 + ... + 3250017.

It is an arithmetic number, because the mean of its divisors is an integer number (1679725245).

Almost surely, 2^6712401977 is an apocalyptic number.

It is an amenable number.

6712401977 is a deficient number, since it is larger than the sum of its proper divisors (6499003).

6712401977 is a wasteful number, since it uses less digits than its factorization.

6712401977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499002.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 6712401977 is about 81929.2498256880. The cubic root of 6712401977 is about 1886.3661106703.

The spelling of 6712401977 in words is "six billion, seven hundred twelve million, four hundred one thousand, nine hundred seventy-seven".