578033278278 has 16 divisors (see below), whose sum is σ = 1171903085616. Its totient is φ = 190038337920.

The previous prime is 578033278267. The next prime is 578033278279. The reversal of 578033278278 is 872872330875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578033278279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659854903 + ... + 659855778.

It is an arithmetic number, because the mean of its divisors is an integer number (73243942851).

Almost surely, 2^578033278278 is an apocalyptic number.

578033278278 is an abundant number, since it is smaller than the sum of its proper divisors (593869807338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

578033278278 is a wasteful number, since it uses less digits than its factorization.

578033278278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319710759.

The product of its (nonzero) digits is 31610880, while the sum is 60.

The spelling of 578033278278 in words is "five hundred seventy-eight billion, thirty-three million, two hundred seventy-eight thousand, two hundred seventy-eight".