784057289011 has 4 divisors (see below), whose sum is σ = 784901269800. Its totient is φ = 783213308224.

The previous prime is 784057288991. The next prime is 784057289053. The reversal of 784057289011 is 110982750487.

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 784057289011 - 2⁵ = 784057288979 is a prime.

It is a super-2 number, since 2×784057289011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 784057289011.

It is not an unprimeable number, because it can be changed into a prime (784057289111) 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, 421989001 + ... + 421990858.

It is an arithmetic number, because the mean of its divisors is an integer number (196225317450).

Almost surely, 2^784057289011 is an apocalyptic number.

784057289011 is a deficient number, since it is larger than the sum of its proper divisors (843980789).

784057289011 is an equidigital number, since it uses as much as digits as its factorization.

784057289011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843980788.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 784057289011 in words is "seven hundred eighty-four billion, fifty-seven million, two hundred eighty-nine thousand, eleven".