1073777797 has 4 divisors (see below), whose sum is σ = 1074058636. Its totient is φ = 1073496960.

The previous prime is 1073777779. The next prime is 1073777807. The reversal of 1073777797 is 7977773701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7977773701 = 367 ⋅21737803.

It can be written as a sum of positive squares in 2 ways, for example, as 653773761 + 420004036 = 25569^2 + 20494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073777797 - 2¹¹ = 1073775749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073775797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134604 + ... + 142357.

It is an arithmetic number, because the mean of its divisors is an integer number (268514659).

Almost surely, 2^1073777797 is an apocalyptic number.

It is an amenable number.

1073777797 is a deficient number, since it is larger than the sum of its proper divisors (280839).

1073777797 is an equidigital number, since it uses as much as digits as its factorization.

1073777797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280838.

The product of its (nonzero) digits is 3176523, while the sum is 55.

The square root of 1073777797 is about 32768.5488998216. The cubic root of 1073777797 is about 1024.0114353810.

The spelling of 1073777797 in words is "one billion, seventy-three million, seven hundred seventy-seven thousand, seven hundred ninety-seven".