770616647441 has 4 divisors (see below), whose sum is σ = 770644951092. Its totient is φ = 770588343792.

The previous prime is 770616647429. The next prime is 770616647473. The reversal of 770616647441 is 144746616077.

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 223993011841 + 546623635600 = 473279^2 + 739340^2 .

It is a cyclic number.

It is not a de Polignac number, because 770616647441 - 2⁶ = 770616647377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770616647491) 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, 14110946 + ... + 14165451.

It is an arithmetic number, because the mean of its divisors is an integer number (192661237773).

Almost surely, 2^770616647441 is an apocalyptic number.

It is an amenable number.

770616647441 is a deficient number, since it is larger than the sum of its proper divisors (28303651).

770616647441 is a wasteful number, since it uses less digits than its factorization.

770616647441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303650.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 770616647441 in words is "seven hundred seventy billion, six hundred sixteen million, six hundred forty-seven thousand, four hundred forty-one".