978053340343 has 16 divisors (see below), whose sum is σ = 1065161574400. Its totient is φ = 894644468640.

The previous prime is 978053340311. The next prime is 978053340367. The reversal of 978053340343 is 343043350879.

It is a cyclic number.

It is not a de Polignac number, because 978053340343 - 2⁵ = 978053340311 is a prime.

It is a super-2 number, since 2×978053340343² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978053740343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632696 + ... + 2149837.

It is an arithmetic number, because the mean of its divisors is an integer number (66572598400).

Almost surely, 2^978053340343 is an apocalyptic number.

978053340343 is a deficient number, since it is larger than the sum of its proper divisors (87108234057).

978053340343 is a wasteful number, since it uses less digits than its factorization.

978053340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783022.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 978053340343 in words is "nine hundred seventy-eight billion, fifty-three million, three hundred forty thousand, three hundred forty-three".