578973976345 has 4 divisors (see below), whose sum is σ = 694768771620. Its totient is φ = 463179181072.

The previous prime is 578973976313. The next prime is 578973976381. The reversal of 578973976345 is 543679379875.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262081539721 + 316892436624 = 511939^2 + 562932^2 .

It is a cyclic number.

It is not a de Polignac number, because 578973976345 - 2⁵ = 578973976313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57897397630 + ... + 57897397639.

It is an arithmetic number, because the mean of its divisors is an integer number (173692192905).

Almost surely, 2^578973976345 is an apocalyptic number.

It is an amenable number.

578973976345 is a deficient number, since it is larger than the sum of its proper divisors (115794795275).

578973976345 is a wasteful number, since it uses less digits than its factorization.

578973976345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115794795274.

The product of its digits is 1200225600, while the sum is 73.

It can be divided in two parts, 5789739 and 76345, that added together give a square (5866084 = 2422²).

The spelling of 578973976345 in words is "five hundred seventy-eight billion, nine hundred seventy-three million, nine hundred seventy-six thousand, three hundred forty-five".