578761872 has 80 divisors (see below), whose sum is σ = 1704890880. Its totient is φ = 167602176.

The previous prime is 578761871. The next prime is 578761873. The reversal of 578761872 is 278167875.

It is an interprime number because it is at equal distance from previous prime (578761871) and next prime (578761873).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (578761871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 37887.

It is an arithmetic number, because the mean of its divisors is an integer number (21311136).

Almost surely, 2^578761872 is an apocalyptic number.

578761872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

578761872 is an abundant number, since it is smaller than the sum of its proper divisors (1126129008).

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

578761872 is a wasteful number, since it uses less digits than its factorization.

578761872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54600 (or 54594 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 51.

The square root of 578761872 is about 24057.4701911901. The cubic root of 578761872 is about 833.3612531801.

The spelling of 578761872 in words is "five hundred seventy-eight million, seven hundred sixty-one thousand, eight hundred seventy-two".