612548808 has 32 divisors (see below), whose sum is σ = 1552944960. Its totient is φ = 201306560.

The previous prime is 612548711. The next prime is 612548821. The reversal of 612548808 is 808845216.

It is a self number, because there is not a number n which added to its sum of digits gives 612548808.

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, 178035 + ... + 181442.

It is an arithmetic number, because the mean of its divisors is an integer number (48529530).

Almost surely, 2^612548808 is an apocalyptic number.

It is an amenable number.

612548808 is an abundant number, since it is smaller than the sum of its proper divisors (940396152).

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

612548808 is a wasteful number, since it uses less digits than its factorization.

612548808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359557 (or 359553 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 612548808 is about 24749.7233923937. The cubic root of 612548808 is about 849.2721834405.

The spelling of 612548808 in words is "six hundred twelve million, five hundred forty-eight thousand, eight hundred eight".