578788874378 has 16 divisors (see below), whose sum is σ = 1019963611296. Its totient is φ = 242848478640.

The previous prime is 578788874351. The next prime is 578788874423. The reversal of 578788874378 is 873478887875.

It is a happy number.

It is a super-2 number, since 2×578788874378² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011868376 + ... + 1011868947.

It is an arithmetic number, because the mean of its divisors is an integer number (63747725706).

Almost surely, 2^578788874378 is an apocalyptic number.

578788874378 is a deficient number, since it is larger than the sum of its proper divisors (441174736918).

578788874378 is a wasteful number, since it uses less digits than its factorization.

578788874378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023737349.

The product of its digits is 4720558080, while the sum is 80.

The spelling of 578788874378 in words is "five hundred seventy-eight billion, seven hundred eighty-eight million, eight hundred seventy-four thousand, three hundred seventy-eight".