780086046 has 16 divisors (see below), whose sum is σ = 1610500608. Its totient is φ = 251640600.

The previous prime is 780086039. The next prime is 780086081. The reversal of 780086046 is 640680087.

It is a junction number, because it is equal to n+sod(n) for n = 780085995 and 780086013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096820 + ... + 2097191.

It is an arithmetic number, because the mean of its divisors is an integer number (100656288).

Almost surely, 2^780086046 is an apocalyptic number.

780086046 is an abundant number, since it is smaller than the sum of its proper divisors (830414562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

780086046 is a wasteful number, since it uses less digits than its factorization.

780086046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194047.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 780086046 is about 27930.0205155671. The cubic root of 780086046 is about 920.5502560475.

The spelling of 780086046 in words is "seven hundred eighty million, eighty-six thousand, forty-six".