48787771 has 2 divisors, whose sum is σ = 48787772. Its totient is φ = 48787770.

The previous prime is 48787759. The next prime is 48787811. The reversal of 48787771 is 17778784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48787771 - 2⁷ = 48787643 is a prime.

It is not a weakly prime, because it can be changed into another prime (48788771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24393885 + 24393886.

It is an arithmetic number, because the mean of its divisors is an integer number (24393886).

Almost surely, 2^48787771 is an apocalyptic number.

48787771 is a deficient number, since it is larger than the sum of its proper divisors (1).

48787771 is an equidigital number, since it uses as much as digits as its factorization.

48787771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 614656, while the sum is 49.

The square root of 48787771 is about 6984.8243356580. The cubic root of 48787771 is about 365.4014997661.

The spelling of 48787771 in words is "forty-eight million, seven hundred eighty-seven thousand, seven hundred seventy-one".