3663878472 has 48 divisors (see below), whose sum is σ = 10354443840. Its totient is φ = 1168192608.

The previous prime is 3663878459. The next prime is 3663878497. The reversal of 3663878472 is 2748783663.

3663878472 is a `hidden beast` number, since 36 + 63 + 87 + 8 + 472 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104588 + ... + 1107899.

It is an arithmetic number, because the mean of its divisors is an integer number (215717580).

Almost surely, 2^3663878472 is an apocalyptic number.

It is an amenable number.

3663878472 is an abundant number, since it is smaller than the sum of its proper divisors (6690565368).

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

3663878472 is a wasteful number, since it uses less digits than its factorization.

3663878472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212522 (or 2212515 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 3663878472 is about 60529.9799438262. The cubic root of 3663878472 is about 1541.6307109231.

The spelling of 3663878472 in words is "three billion, six hundred sixty-three million, eight hundred seventy-eight thousand, four hundred seventy-two".