780086047 has 8 divisors (see below), whose sum is σ = 840800016. Its totient is φ = 719473152.

The previous prime is 780086039. The next prime is 780086081. The reversal of 780086047 is 740680087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 780086047 - 2³ = 780086039 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 (780086647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8833 + ... + 40474.

It is an arithmetic number, because the mean of its divisors is an integer number (105100002).

Almost surely, 2^780086047 is an apocalyptic number.

780086047 is a deficient number, since it is larger than the sum of its proper divisors (60713969).

780086047 is a wasteful number, since it uses less digits than its factorization.

780086047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50537.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 780086047 is about 27930.0205334690. The cubic root of 780086047 is about 920.5502564409.

The spelling of 780086047 in words is "seven hundred eighty million, eighty-six thousand, forty-seven".