578487798 has 64 divisors (see below), whose sum is σ = 1555614720. Its totient is φ = 155558016.

The previous prime is 578487761. The next prime is 578487799. The reversal of 578487798 is 897784875.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578487799) 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, 38586 + ... + 51437.

It is an arithmetic number, because the mean of its divisors is an integer number (24306480).

Almost surely, 2^578487798 is an apocalyptic number.

578487798 is an abundant number, since it is smaller than the sum of its proper divisors (977126922).

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

578487798 is a wasteful number, since it uses less digits than its factorization.

578487798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90058 (or 90052 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 63.

The square root of 578487798 is about 24051.7732818185. The cubic root of 578487798 is about 833.2296857047.

The spelling of 578487798 in words is "five hundred seventy-eight million, four hundred eighty-seven thousand, seven hundred ninety-eight".