447607474378 has 8 divisors (see below), whose sum is σ = 710905988772. Its totient is φ = 210638811456.

The previous prime is 447607474343. The next prime is 447607474381. The reversal of 447607474378 is 873474706744.

It can be written as a sum of positive squares in 2 ways, for example, as 423791886049 + 23815588329 = 650993^2 + 154323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×447607474378² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6582462825 + ... + 6582462892.

Almost surely, 2^447607474378 is an apocalyptic number.

447607474378 is a deficient number, since it is larger than the sum of its proper divisors (263298514394).

447607474378 is a wasteful number, since it uses less digits than its factorization.

447607474378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13164925736.

The product of its (nonzero) digits is 88510464, while the sum is 61.

The spelling of 447607474378 in words is "four hundred forty-seven billion, six hundred seven million, four hundred seventy-four thousand, three hundred seventy-eight".