1047077773 has 4 divisors (see below), whose sum is σ = 1196660320. Its totient is φ = 897495228.

The previous prime is 1047077747. The next prime is 1047077831. The reversal of 1047077773 is 3777707401.

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.

It is not a de Polignac number, because 1047077773 - 2²⁵ = 1013523341 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 (1047077743) 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, 74791263 + ... + 74791276.

It is an arithmetic number, because the mean of its divisors is an integer number (299165080).

Almost surely, 2^1047077773 is an apocalyptic number.

It is an amenable number.

1047077773 is a deficient number, since it is larger than the sum of its proper divisors (149582547).

1047077773 is an equidigital number, since it uses as much as digits as its factorization.

1047077773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149582546.

The product of its (nonzero) digits is 201684, while the sum is 43.

The square root of 1047077773 is about 32358.5811339125. The cubic root of 1047077773 is about 1015.4525788726.

The spelling of 1047077773 in words is "one billion, forty-seven million, seventy-seven thousand, seven hundred seventy-three".