1007478943 has 2 divisors, whose sum is σ = 1007478944. Its totient is φ = 1007478942.

The previous prime is 1007478931. The next prime is 1007478991. The reversal of 1007478943 is 3498747001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1007478943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1007478943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1007478343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503739471 + 503739472.

It is an arithmetic number, because the mean of its divisors is an integer number (503739472).

Almost surely, 2^1007478943 is an apocalyptic number.

1007478943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1007478943 is an equidigital number, since it uses as much as digits as its factorization.

1007478943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1007478943 is about 31740.8087956183. The cubic root of 1007478943 is about 1002.4867917406.

The spelling of 1007478943 in words is "one billion, seven million, four hundred seventy-eight thousand, nine hundred forty-three".