776213349 has 8 divisors (see below), whose sum is σ = 1051917792. Its totient is φ = 508992240.

The previous prime is 776213341. The next prime is 776213351. The reversal of 776213349 is 943312677.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 776213349 - 2³ = 776213341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 776213349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776213341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120619 + ... + 2120984.

It is an arithmetic number, because the mean of its divisors is an integer number (131489724).

Almost surely, 2^776213349 is an apocalyptic number.

It is an amenable number.

776213349 is a deficient number, since it is larger than the sum of its proper divisors (275704443).

776213349 is a wasteful number, since it uses less digits than its factorization.

776213349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241667.

The product of its digits is 190512, while the sum is 42.

The square root of 776213349 is about 27860.6056825762. The cubic root of 776213349 is about 919.0243867762.

The spelling of 776213349 in words is "seven hundred seventy-six million, two hundred thirteen thousand, three hundred forty-nine".