780086014 has 4 divisors (see below), whose sum is σ = 1170129024. Its totient is φ = 390043006.

The previous prime is 780086011. The next prime is 780086029. The reversal of 780086014 is 410680087.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780086011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195021502 + ... + 195021505.

It is an arithmetic number, because the mean of its divisors is an integer number (292532256).

Almost surely, 2^780086014 is an apocalyptic number.

780086014 is a deficient number, since it is larger than the sum of its proper divisors (390043010).

780086014 is a wasteful number, since it uses less digits than its factorization.

780086014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390043009.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 780086014 is about 27930.0199427068. The cubic root of 780086014 is about 920.5502434602.

The spelling of 780086014 in words is "seven hundred eighty million, eighty-six thousand, fourteen".