248776667 has 2 divisors, whose sum is σ = 248776668. Its totient is φ = 248776666.

The previous prime is 248776639. The next prime is 248776673. The reversal of 248776667 is 766677842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248776667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248776607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124388333 + 124388334.

It is an arithmetic number, because the mean of its divisors is an integer number (124388334).

Almost surely, 2^248776667 is an apocalyptic number.

248776667 is a deficient number, since it is larger than the sum of its proper divisors (1).

248776667 is an equidigital number, since it uses as much as digits as its factorization.

248776667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The square root of 248776667 is about 15772.6556736651. The cubic root of 248776667 is about 628.9313090206.

The spelling of 248776667 in words is "two hundred forty-eight million, seven hundred seventy-six thousand, six hundred sixty-seven".