6432278747 has 2 divisors, whose sum is σ = 6432278748. Its totient is φ = 6432278746.

The previous prime is 6432278737. The next prime is 6432278761. The reversal of 6432278747 is 7478722346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6432278747 - 2²⁸ = 6163843291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6432278695 and 6432278704.

It is not a weakly prime, because it can be changed into another prime (6432278737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216139373 + 3216139374.

It is an arithmetic number, because the mean of its divisors is an integer number (3216139374).

Almost surely, 2^6432278747 is an apocalyptic number.

6432278747 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432278747 is an equidigital number, since it uses as much as digits as its factorization.

6432278747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 50.

The square root of 6432278747 is about 80201.4884338190. The cubic root of 6432278747 is about 1859.7516478637.

The spelling of 6432278747 in words is "six billion, four hundred thirty-two million, two hundred seventy-eight thousand, seven hundred forty-seven".