830450077 has 4 divisors (see below), whose sum is σ = 839011516. Its totient is φ = 821888640.

The previous prime is 830450069. The next prime is 830450123. The reversal of 830450077 is 770054038.

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 533887236 + 296562841 = 23106^2 + 17221^2 .

It is a cyclic number.

It is not a de Polignac number, because 830450077 - 2³ = 830450069 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 (830450377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4280574 + ... + 4280767.

It is an arithmetic number, because the mean of its divisors is an integer number (209752879).

Almost surely, 2^830450077 is an apocalyptic number.

It is an amenable number.

830450077 is a deficient number, since it is larger than the sum of its proper divisors (8561439).

830450077 is an equidigital number, since it uses as much as digits as its factorization.

830450077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561438.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 830450077 is about 28817.5307235023. The cubic root of 830450077 is about 939.9494755551.

The spelling of 830450077 in words is "eight hundred thirty million, four hundred fifty thousand, seventy-seven".