447779130 has 32 divisors (see below), whose sum is σ = 1075733568. Its totient is φ = 119289600.

The previous prime is 447779089. The next prime is 447779131. The reversal of 447779130 is 31977744.

It is a super-2 number, since 2×447779130² = 401012298527113800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447779131) by changing a digit.

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, 25890 + ... + 39570.

It is an arithmetic number, because the mean of its divisors is an integer number (33616674).

Almost surely, 2^447779130 is an apocalyptic number.

447779130 is an abundant number, since it is smaller than the sum of its proper divisors (627954438).

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

447779130 is a wasteful number, since it uses less digits than its factorization.

447779130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 447779130 is about 21160.7922819539. The cubic root of 447779130 is about 765.0467056793.

The spelling of 447779130 in words is "four hundred forty-seven million, seven hundred seventy-nine thousand, one hundred thirty".