48147784 has 8 divisors (see below), whose sum is σ = 90277110. Its totient is φ = 24073888.

The previous prime is 48147773. The next prime is 48147821. The reversal of 48147784 is 48774184.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 675684 = 6890^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×48147784² = 4636418208221312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48147784.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3009229 + ... + 3009244.

Almost surely, 2^48147784 is an apocalyptic number.

It is an amenable number.

48147784 is a deficient number, since it is larger than the sum of its proper divisors (42129326).

48147784 is a wasteful number, since it uses less digits than its factorization.

48147784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018479 (or 6018475 counting only the distinct ones).

The product of its digits is 200704, while the sum is 43.

The square root of 48147784 is about 6938.8604251707. The cubic root of 48147784 is about 363.7967105416.

The spelling of 48147784 in words is "forty-eight million, one hundred forty-seven thousand, seven hundred eighty-four".