926447987 has 2 divisors, whose sum is σ = 926447988. Its totient is φ = 926447986.

The previous prime is 926447971. The next prime is 926448011. The reversal of 926447987 is 789744629.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 926447987 - 2⁴ = 926447971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (926447387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463223993 + 463223994.

It is an arithmetic number, because the mean of its divisors is an integer number (463223994).

Almost surely, 2^926447987 is an apocalyptic number.

926447987 is a deficient number, since it is larger than the sum of its proper divisors (1).

926447987 is an equidigital number, since it uses as much as digits as its factorization.

926447987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The square root of 926447987 is about 30437.6081024774. The cubic root of 926447987 is about 974.8557268884.

The spelling of 926447987 in words is "nine hundred twenty-six million, four hundred forty-seven thousand, nine hundred eighty-seven".