780673327 has 4 divisors (see below), whose sum is σ = 892198096. Its totient is φ = 669148560.

The previous prime is 780673321. The next prime is 780673343. The reversal of 780673327 is 723376087.

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 780673327 - 2¹¹ = 780671279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780673321) 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 3 ways as a sum of consecutive naturals, for example, 55762374 + ... + 55762387.

It is an arithmetic number, because the mean of its divisors is an integer number (223049524).

Almost surely, 2^780673327 is an apocalyptic number.

780673327 is a deficient number, since it is larger than the sum of its proper divisors (111524769).

780673327 is a wasteful number, since it uses less digits than its factorization.

780673327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111524768.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 780673327 is about 27940.5319741769. The cubic root of 780673327 is about 920.7812075205.

The spelling of 780673327 in words is "seven hundred eighty million, six hundred seventy-three thousand, three hundred twenty-seven".