780848087 has 4 divisors (see below), whose sum is σ = 790732320. Its totient is φ = 770963856.

The previous prime is 780848039. The next prime is 780848143.

780848087 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 780848087 - 2¹⁴ = 780831703 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 (780848017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4941998 + ... + 4942155.

It is an arithmetic number, because the mean of its divisors is an integer number (197683080).

Almost surely, 2^780848087 is an apocalyptic number.

780848087 is a deficient number, since it is larger than the sum of its proper divisors (9884233).

780848087 is an equidigital number, since it uses as much as digits as its factorization.

780848087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884232.

The product of its (nonzero) digits is 802816, while the sum is 50.

The square root of 780848087 is about 27943.6591555222. The cubic root of 780848087 is about 920.8499104860.

The spelling of 780848087 in words is "seven hundred eighty million, eight hundred forty-eight thousand, eighty-seven".