1078298779 has 2 divisors, whose sum is σ = 1078298780. Its totient is φ = 1078298778.

The previous prime is 1078298743. The next prime is 1078298801. The reversal of 1078298779 is 9778928701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1078298779 - 2¹¹ = 1078296731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078298479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539149389 + 539149390.

It is an arithmetic number, because the mean of its divisors is an integer number (539149390).

Almost surely, 2^1078298779 is an apocalyptic number.

1078298779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078298779 is an equidigital number, since it uses as much as digits as its factorization.

1078298779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 58.

The square root of 1078298779 is about 32837.4599961690. The cubic root of 1078298779 is about 1025.4465724919.

It can be divided in two parts, 10782 and 98779, that added together give a square (109561 = 331²).

The spelling of 1078298779 in words is "one billion, seventy-eight million, two hundred ninety-eight thousand, seven hundred seventy-nine".