1078587773 has 2 divisors, whose sum is σ = 1078587774. Its totient is φ = 1078587772.

The previous prime is 1078587751. The next prime is 1078587781. The reversal of 1078587773 is 3777858701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022592484 + 55995289 = 31978^2 + 7483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078587773 - 2²² = 1074393469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078587733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539293886 + 539293887.

It is an arithmetic number, because the mean of its divisors is an integer number (539293887).

Almost surely, 2^1078587773 is an apocalyptic number.

It is an amenable number.

1078587773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078587773 is an equidigital number, since it uses as much as digits as its factorization.

1078587773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304960, while the sum is 53.

The square root of 1078587773 is about 32841.8600721701. The cubic root of 1078587773 is about 1025.5381740164.

The spelling of 1078587773 in words is "one billion, seventy-eight million, five hundred eighty-seven thousand, seven hundred seventy-three".