1077790443 has 16 divisors (see below), whose sum is σ = 1461841920. Its totient is φ = 706215744.

The previous prime is 1077790421. The next prime is 1077790451. The reversal of 1077790443 is 3440977701.

It is not a de Polignac number, because 1077790443 - 2⁶ = 1077790379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1077790395 and 1077790404.

It is not an unprimeable number, because it can be changed into a prime (1077790243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42655 + ... + 63047.

It is an arithmetic number, because the mean of its divisors is an integer number (91365120).

Almost surely, 2^1077790443 is an apocalyptic number.

1077790443 is a deficient number, since it is larger than the sum of its proper divisors (384051477).

1077790443 is a wasteful number, since it uses less digits than its factorization.

1077790443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20698.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 1077790443 is about 32829.7188991925. The cubic root of 1077790443 is about 1025.2854070976.

The spelling of 1077790443 in words is "one billion, seventy-seven million, seven hundred ninety thousand, four hundred forty-three".