48778785 has 24 divisors (see below), whose sum is σ = 92237184. Its totient is φ = 23650080.

The previous prime is 48778777. The next prime is 48778789. The reversal of 48778785 is 58787784.

48778785 is a `hidden beast` number, since 487 + 7 + 87 + 85 = 666.

It is not a de Polignac number, because 48778785 - 2³ = 48778777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48778789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48777 + ... + 49766.

It is an arithmetic number, because the mean of its divisors is an integer number (3843216).

Almost surely, 2^48778785 is an apocalyptic number.

48778785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48778785 is a deficient number, since it is larger than the sum of its proper divisors (43458399).

48778785 is a wasteful number, since it uses less digits than its factorization.

48778785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98565 (or 98562 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 54.

The square root of 48778785 is about 6984.1810543542. The cubic root of 48778785 is about 365.3790645026.

The spelling of 48778785 in words is "forty-eight million, seven hundred seventy-eight thousand, seven hundred eighty-five".