48787787 has 4 divisors (see below), whose sum is σ = 48992160. Its totient is φ = 48583416.

The previous prime is 48787771. The next prime is 48787811. The reversal of 48787787 is 78778784.

It is a happy number.

48787787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48787787 - 2⁴ = 48787771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48787187) 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 3 ways as a sum of consecutive naturals, for example, 101828 + ... + 102305.

It is an arithmetic number, because the mean of its divisors is an integer number (12248040).

Almost surely, 2^48787787 is an apocalyptic number.

48787787 is a deficient number, since it is larger than the sum of its proper divisors (204373).

48787787 is a wasteful number, since it uses less digits than its factorization.

48787787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204372.

The product of its digits is 4917248, while the sum is 56.

The square root of 48787787 is about 6984.8254809981. The cubic root of 48787787 is about 365.4015397107.

The spelling of 48787787 in words is "forty-eight million, seven hundred eighty-seven thousand, seven hundred eighty-seven".