780427214 has 32 divisors (see below), whose sum is σ = 1424563200. Its totient is φ = 319920216.

The previous prime is 780427183. The next prime is 780427217. The reversal of 780427214 is 412724087.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780427217) 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 15 ways as a sum of consecutive naturals, for example, 8954 + ... + 40509.

It is an arithmetic number, because the mean of its divisors is an integer number (44517600).

Almost surely, 2^780427214 is an apocalyptic number.

780427214 is a deficient number, since it is larger than the sum of its proper divisors (644135986).

780427214 is a wasteful number, since it uses less digits than its factorization.

780427214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49509 (or 49495 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 780427214 is about 27936.1273980486. The cubic root of 780427214 is about 920.6844363378.

The spelling of 780427214 in words is "seven hundred eighty million, four hundred twenty-seven thousand, two hundred fourteen".