770842379 has 4 divisors (see below), whose sum is σ = 771068184. Its totient is φ = 770616576.

The previous prime is 770842361. The next prime is 770842393. The reversal of 770842379 is 973248077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973248077 = 19 ⋅51223583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770842379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770842279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107702 + ... + 114635.

It is an arithmetic number, because the mean of its divisors is an integer number (192767046).

Almost surely, 2^770842379 is an apocalyptic number.

770842379 is a deficient number, since it is larger than the sum of its proper divisors (225805).

770842379 is a wasteful number, since it uses less digits than its factorization.

770842379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225804.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 770842379 is about 27764.0483179237. The cubic root of 770842379 is about 916.8997641627.

The spelling of 770842379 in words is "seven hundred seventy million, eight hundred forty-two thousand, three hundred seventy-nine".