48645977 has 2 divisors, whose sum is σ = 48645978. Its totient is φ = 48645976.

The previous prime is 48645929. The next prime is 48645983. The reversal of 48645977 is 77954684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46526041 + 2119936 = 6821^2 + 1456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48645977 is a prime.

It is not a weakly prime, because it can be changed into another prime (48645907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24322988 + 24322989.

It is an arithmetic number, because the mean of its divisors is an integer number (24322989).

Almost surely, 2^48645977 is an apocalyptic number.

It is an amenable number.

48645977 is a deficient number, since it is larger than the sum of its proper divisors (1).

48645977 is an equidigital number, since it uses as much as digits as its factorization.

48645977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 48645977 is about 6974.6668020774. Note that the first 3 decimals coincide. The cubic root of 48645977 is about 365.0471622301.

The spelling of 48645977 in words is "forty-eight million, six hundred forty-five thousand, nine hundred seventy-seven".