678516595041 has 32 divisors (see below), whose sum is σ = 960081776640. Its totient is φ = 425047924224.

The previous prime is 678516594949. The next prime is 678516595049. The reversal of 678516595041 is 140595615876.

It is not a de Polignac number, because 678516595041 - 2¹⁹ = 678516070753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (678516595049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4330321 + ... + 4484273.

It is an arithmetic number, because the mean of its divisors is an integer number (30002555520).

Almost surely, 2^678516595041 is an apocalyptic number.

It is an amenable number.

678516595041 is a deficient number, since it is larger than the sum of its proper divisors (281565181599).

678516595041 is a wasteful number, since it uses less digits than its factorization.

678516595041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154605.

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 678516595041 in words is "six hundred seventy-eight billion, five hundred sixteen million, five hundred ninety-five thousand, forty-one".