48723881 has 2 divisors, whose sum is σ = 48723882. Its totient is φ = 48723880.

The previous prime is 48723877. The next prime is 48723889. The reversal of 48723881 is 18832784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 3481 = 6980^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 48723881 - 2² = 48723877 is a prime.

It is a super-2 number, since 2×48723881² = 4748033159404322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48723889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24361940 + 24361941.

It is an arithmetic number, because the mean of its divisors is an integer number (24361941).

Almost surely, 2^48723881 is an apocalyptic number.

It is an amenable number.

48723881 is a deficient number, since it is larger than the sum of its proper divisors (1).

48723881 is an equidigital number, since it uses as much as digits as its factorization.

48723881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 41.

The square root of 48723881 is about 6980.2493508470. The cubic root of 48723881 is about 365.2419263084.

The spelling of 48723881 in words is "forty-eight million, seven hundred twenty-three thousand, eight hundred eighty-one".