1047773797 has 4 divisors (see below), whose sum is σ = 1197455776. Its totient is φ = 898091820.

The previous prime is 1047773789. The next prime is 1047773803. The reversal of 1047773797 is 7973777401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7973777401 = 67 ⋅119011603.

It is a cyclic number.

It is not a de Polignac number, because 1047773797 - 2³ = 1047773789 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 (1047773707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74840979 + ... + 74840992.

It is an arithmetic number, because the mean of its divisors is an integer number (299363944).

Almost surely, 2^1047773797 is an apocalyptic number.

It is an amenable number.

1047773797 is a deficient number, since it is larger than the sum of its proper divisors (149681979).

1047773797 is an equidigital number, since it uses as much as digits as its factorization.

1047773797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149681978.

The product of its (nonzero) digits is 1815156, while the sum is 52.

The square root of 1047773797 is about 32369.3342069311. The cubic root of 1047773797 is about 1015.6775296311.

The spelling of 1047773797 in words is "one billion, forty-seven million, seven hundred seventy-three thousand, seven hundred ninety-seven".