1078793791 has 2 divisors, whose sum is σ = 1078793792. Its totient is φ = 1078793790.

The previous prime is 1078793731. The next prime is 1078793797. The reversal of 1078793791 is 1973978701.

It is a strong prime.

It is an emirp because it is prime and its reverse (1973978701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1078793791 - 2⁷ = 1078793663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078793797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539396895 + 539396896.

It is an arithmetic number, because the mean of its divisors is an integer number (539396896).

Almost surely, 2^1078793791 is an apocalyptic number.

1078793791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078793791 is an equidigital number, since it uses as much as digits as its factorization.

1078793791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 52.

The square root of 1078793791 is about 32844.9964378138. The cubic root of 1078793791 is about 1025.6034649083.

The spelling of 1078793791 in words is "one billion, seventy-eight million, seven hundred ninety-three thousand, seven hundred ninety-one".