1074789797 has 4 divisors (see below), whose sum is σ = 1082635116. Its totient is φ = 1066944480.

The previous prime is 1074789767. The next prime is 1074789811. The reversal of 1074789797 is 7979874701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198274561 + 876515236 = 14081^2 + 29606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074789797 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 (1074789757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922454 + ... + 3922727.

It is an arithmetic number, because the mean of its divisors is an integer number (270658779).

Almost surely, 2^1074789797 is an apocalyptic number.

It is an amenable number.

1074789797 is a deficient number, since it is larger than the sum of its proper divisors (7845319).

1074789797 is an equidigital number, since it uses as much as digits as its factorization.

1074789797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845318.

The product of its (nonzero) digits is 6223392, while the sum is 59.

The square root of 1074789797 is about 32783.9868990945. The cubic root of 1074789797 is about 1024.3330333213. Note that the first 3 decimals are identical.

The spelling of 1074789797 in words is "one billion, seventy-four million, seven hundred eighty-nine thousand, seven hundred ninety-seven".