6472778287 has 2 divisors, whose sum is σ = 6472778288. Its totient is φ = 6472778286.

The previous prime is 6472778233. The next prime is 6472778297. The reversal of 6472778287 is 7828772746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6472778287 - 2⁷ = 6472778159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6472778297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236389143 + 3236389144.

It is an arithmetic number, because the mean of its divisors is an integer number (3236389144).

Almost surely, 2^6472778287 is an apocalyptic number.

6472778287 is a deficient number, since it is larger than the sum of its proper divisors (1).

6472778287 is an equidigital number, since it uses as much as digits as its factorization.

6472778287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14751744, while the sum is 58.

The square root of 6472778287 is about 80453.5784598796. The cubic root of 6472778287 is about 1863.6466676911.

The spelling of 6472778287 in words is "six billion, four hundred seventy-two million, seven hundred seventy-eight thousand, two hundred eighty-seven".