770430013 has 4 divisors (see below), whose sum is σ = 779086620. Its totient is φ = 761773408.

The previous prime is 770429999. The next prime is 770430029. The reversal of 770430013 is 310034077.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310034077 = 19 ⋅16317583.

It can be written as a sum of positive squares in 2 ways, for example, as 189282564 + 581147449 = 13758^2 + 24107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770430013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 770430013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770430043) 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, 4328170 + ... + 4328347.

It is an arithmetic number, because the mean of its divisors is an integer number (194771655).

Almost surely, 2^770430013 is an apocalyptic number.

It is an amenable number.

770430013 is a deficient number, since it is larger than the sum of its proper divisors (8656607).

770430013 is an equidigital number, since it uses as much as digits as its factorization.

770430013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656606.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 770430013 is about 27756.6210659727. The cubic root of 770430013 is about 916.7362349552.

The spelling of 770430013 in words is "seven hundred seventy million, four hundred thirty thousand, thirteen".