48182778 has 36 divisors (see below), whose sum is σ = 121442490. Its totient is φ = 13766256.

The previous prime is 48182759. The next prime is 48182791. The reversal of 48182778 is 87728184.

It can be written as a sum of positive squares in only one way, i.e., 37859409 + 10323369 = 6153^2 + 3213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26433 + ... + 28196.

Almost surely, 2^48182778 is an apocalyptic number.

48182778 is an abundant number, since it is smaller than the sum of its proper divisors (73259712).

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

48182778 is a wasteful number, since it uses less digits than its factorization.

48182778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54651 (or 54641 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 48182778 is about 6941.3815627726. The cubic root of 48182778 is about 363.8848254940.

The spelling of 48182778 in words is "forty-eight million, one hundred eighty-two thousand, seven hundred seventy-eight".