770612379 has 4 divisors (see below), whose sum is σ = 1027483176. Its totient is φ = 513741584.

The previous prime is 770612371. The next prime is 770612383. The reversal of 770612379 is 973216077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 770612379 - 2³ = 770612371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 770612379.

It is not an unprimeable number, because it can be changed into a prime (770612371) 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, 128435394 + ... + 128435399.

It is an arithmetic number, because the mean of its divisors is an integer number (256870794).

Almost surely, 2^770612379 is an apocalyptic number.

770612379 is a deficient number, since it is larger than the sum of its proper divisors (256870797).

770612379 is a wasteful number, since it uses less digits than its factorization.

770612379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256870796.

The product of its (nonzero) digits is 111132, while the sum is 42.

The square root of 770612379 is about 27759.9059616563. The cubic root of 770612379 is about 916.8085618065.

The spelling of 770612379 in words is "seven hundred seventy million, six hundred twelve thousand, three hundred seventy-nine".