1048856647 has 2 divisors, whose sum is σ = 1048856648. Its totient is φ = 1048856646.

The previous prime is 1048856623. The next prime is 1048856657. The reversal of 1048856647 is 7466588401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048856647 is a prime.

It is a super-2 number, since 2×1048856647² = 2200200531912165218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1048856647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048856617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524428323 + 524428324.

It is an arithmetic number, because the mean of its divisors is an integer number (524428324).

Almost surely, 2^1048856647 is an apocalyptic number.

1048856647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048856647 is an equidigital number, since it uses as much as digits as its factorization.

1048856647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 1048856647 is about 32386.0563668996. The cubic root of 1048856647 is about 1016.0273022480.

The spelling of 1048856647 in words is "one billion, forty-eight million, eight hundred fifty-six thousand, six hundred forty-seven".