48239977 has 4 divisors (see below), whose sum is σ = 48547396. Its totient is φ = 47932560.

The previous prime is 48239969. The next prime is 48240011. The reversal of 48239977 is 77993284.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31764496 + 16475481 = 5636^2 + 4059^2 .

It is a cyclic number.

It is not a de Polignac number, because 48239977 - 2³ = 48239969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48239977.

It is not an unprimeable number, because it can be changed into a prime (48239927) 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 3 ways as a sum of consecutive naturals, for example, 153474 + ... + 153787.

It is an arithmetic number, because the mean of its divisors is an integer number (12136849).

Almost surely, 2^48239977 is an apocalyptic number.

It is an amenable number.

48239977 is a deficient number, since it is larger than the sum of its proper divisors (307419).

48239977 is a wasteful number, since it uses less digits than its factorization.

48239977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307418.

The product of its digits is 762048, while the sum is 49.

The square root of 48239977 is about 6945.5004859261. The cubic root of 48239977 is about 364.0287608599.

The spelling of 48239977 in words is "forty-eight million, two hundred thirty-nine thousand, nine hundred seventy-seven".