340847778815 has 8 divisors (see below), whose sum is σ = 414620312208. Its totient is φ = 268942904640.

The previous prime is 340847778793. The next prime is 340847778841. The reversal of 340847778815 is 518877748043.

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

It is not a de Polignac number, because 340847778815 - 2¹⁸ = 340847516671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466914401 + ... + 466915130.

It is an arithmetic number, because the mean of its divisors is an integer number (51827539026).

Almost surely, 2^340847778815 is an apocalyptic number.

340847778815 is a deficient number, since it is larger than the sum of its proper divisors (73772533393).

340847778815 is an equidigital number, since it uses as much as digits as its factorization.

340847778815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933829609.

The product of its (nonzero) digits is 42147840, while the sum is 62.

The spelling of 340847778815 in words is "three hundred forty billion, eight hundred forty-seven million, seven hundred seventy-eight thousand, eight hundred fifteen".