830079773 has 4 divisors (see below), whose sum is σ = 830143068. Its totient is φ = 830016480.

The previous prime is 830079769. The next prime is 830079787. The reversal of 830079773 is 377970038.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 377970038 = 2 ⋅188985019.

It can be written as a sum of positive squares in 2 ways, for example, as 21132409 + 808947364 = 4597^2 + 28442^2 .

It is a cyclic number.

It is not a de Polignac number, because 830079773 - 2² = 830079769 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 (830079703) 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, 3818 + ... + 40923.

It is an arithmetic number, because the mean of its divisors is an integer number (207535767).

Almost surely, 2^830079773 is an apocalyptic number.

It is an amenable number.

830079773 is a deficient number, since it is larger than the sum of its proper divisors (63295).

830079773 is a wasteful number, since it uses less digits than its factorization.

830079773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63294.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 830079773 is about 28811.1050291376. The cubic root of 830079773 is about 939.8097445794.

The spelling of 830079773 in words is "eight hundred thirty million, seventy-nine thousand, seven hundred seventy-three".