578383949898 has 32 divisors (see below), whose sum is σ = 1292727153600. Its totient is φ = 191680226928.

The previous prime is 578383949873. The next prime is 578383949909. The reversal of 578383949898 is 898949383875.

578383949898 is a `hidden beast` number, since 5 + 7 + 8 + 3 + 8 + 39 + 498 + 98 = 666.

It is a super-2 number, since 2×578383949898² (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 15 ways as a sum of consecutive naturals, for example, 30946768 + ... + 30965451.

It is an arithmetic number, because the mean of its divisors is an integer number (40397723550).

Almost surely, 2^578383949898 is an apocalyptic number.

578383949898 is an abundant number, since it is smaller than the sum of its proper divisors (714343203702).

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

578383949898 is a wasteful number, since it uses less digits than its factorization.

578383949898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61912403 (or 61912397 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 81.

The spelling of 578383949898 in words is "five hundred seventy-eight billion, three hundred eighty-three million, nine hundred forty-nine thousand, eight hundred ninety-eight".