48777720 has 32 divisors (see below), whose sum is σ = 146333520. Its totient is φ = 13007360.

The previous prime is 48777697. The next prime is 48777721. The reversal of 48777720 is 2777784.

It is a happy number.

48777720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48777721) 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 7 ways as a sum of consecutive naturals, for example, 203121 + ... + 203360.

Almost surely, 2^48777720 is an apocalyptic number.

48777720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48777720 is an abundant number, since it is smaller than the sum of its proper divisors (97555800).

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

48777720 is a wasteful number, since it uses less digits than its factorization.

48777720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406495 (or 406491 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 42.

The square root of 48777720 is about 6984.1048102101. The cubic root of 48777720 is about 365.3764053443.

The spelling of 48777720 in words is "forty-eight million, seven hundred seventy-seven thousand, seven hundred twenty".