28631496727 has 2 divisors, whose sum is σ = 28631496728. Its totient is φ = 28631496726.

The previous prime is 28631496703. The next prime is 28631496763. The reversal of 28631496727 is 72769413682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28631496727 - 2³¹ = 26484013079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28631496527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14315748363 + 14315748364.

It is an arithmetic number, because the mean of its divisors is an integer number (14315748364).

Almost surely, 2^28631496727 is an apocalyptic number.

28631496727 is a deficient number, since it is larger than the sum of its proper divisors (1).

28631496727 is an equidigital number, since it uses as much as digits as its factorization.

28631496727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The spelling of 28631496727 in words is "twenty-eight billion, six hundred thirty-one million, four hundred ninety-six thousand, seven hundred twenty-seven".