780086013 has 16 divisors (see below), whose sum is σ = 1191284736. Its totient is φ = 444795120.

The previous prime is 780086011. The next prime is 780086029. The reversal of 780086013 is 310680087.

It is not a de Polignac number, because 780086013 - 2¹ = 780086011 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 30393 + ... + 49838.

It is an arithmetic number, because the mean of its divisors is an integer number (74455296).

Almost surely, 2^780086013 is an apocalyptic number.

It is an amenable number.

780086013 is a deficient number, since it is larger than the sum of its proper divisors (411198723).

780086013 is a wasteful number, since it uses less digits than its factorization.

780086013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80704.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 780086013 is about 27930.0199248049. The cubic root of 780086013 is about 920.5502430668.

The spelling of 780086013 in words is "seven hundred eighty million, eighty-six thousand, thirteen".