478780980 has 48 divisors (see below), whose sum is σ = 1345728384. Its totient is φ = 127185280.

The previous prime is 478780969. The next prime is 478780993. The reversal of 478780980 is 89087874.

It is a congruent number.

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, 610 + ... + 30950.

It is an arithmetic number, because the mean of its divisors is an integer number (28036008).

Almost surely, 2^478780980 is an apocalyptic number.

It is an amenable number.

478780980 is an abundant number, since it is smaller than the sum of its proper divisors (866947404).

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

478780980 is a wasteful number, since it uses less digits than its factorization.

478780980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30616 (or 30614 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 478780980 is about 21881.0644165223. The cubic root of 478780980 is about 782.3101466207.

The spelling of 478780980 in words is "four hundred seventy-eight million, seven hundred eighty thousand, nine hundred eighty".