978596258641 has 4 divisors (see below), whose sum is σ = 981783868912. Its totient is φ = 975408648372.

The previous prime is 978596258621. The next prime is 978596258681. The reversal of 978596258641 is 146852695879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 978596258641 - 2⁷ = 978596258513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978596258621) 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, 1593804675 + ... + 1593805288.

It is an arithmetic number, because the mean of its divisors is an integer number (245445967228).

Almost surely, 2^978596258641 is an apocalyptic number.

It is an amenable number.

978596258641 is a deficient number, since it is larger than the sum of its proper divisors (3187610271).

978596258641 is a wasteful number, since it uses less digits than its factorization.

978596258641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187610270.

The product of its digits is 261273600, while the sum is 70.

The spelling of 978596258641 in words is "nine hundred seventy-eight billion, five hundred ninety-six million, two hundred fifty-eight thousand, six hundred forty-one".