230778480 has 80 divisors (see below), whose sum is σ = 716873760. Its totient is φ = 61415424.

The previous prime is 230778479. The next prime is 230778511. The reversal of 230778480 is 84877032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×230778480² = 106517413662220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228216 + ... + 229224.

It is an arithmetic number, because the mean of its divisors is an integer number (8960922).

Almost surely, 2^230778480 is an apocalyptic number.

230778480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230778480 is an abundant number, since it is smaller than the sum of its proper divisors (486095280).

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

230778480 is a wasteful number, since it uses less digits than its factorization.

230778480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 230778480 is about 15191.3949326584. The cubic root of 230778480 is about 613.3830483751.

The spelling of 230778480 in words is "two hundred thirty million, seven hundred seventy-eight thousand, four hundred eighty".