780442282244087 has 4 divisors (see below), whose sum is σ = 807354085080120. Its totient is φ = 753530479408056.

The previous prime is 780442282244063. The next prime is 780442282244129.

780442282244087 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 780442282244087 - 2²⁶ = 780442215135223 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 (780442282240087) 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, 13455901417973 + ... + 13455901418030.

It is an arithmetic number, because the mean of its divisors is an integer number (201838521270030).

Almost surely, 2^{780442282244087} is an apocalyptic number.

780442282244087 is a deficient number, since it is larger than the sum of its proper divisors (26911802836033).

780442282244087 is a wasteful number, since it uses less digits than its factorization.

780442282244087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26911802836032.

The product of its (nonzero) digits is 102760448, while the sum is 62.

The spelling of 780442282244087 in words is "seven hundred eighty trillion, four hundred forty-two billion, two hundred eighty-two million, two hundred forty-four thousand, eighty-seven".