48776779 has 2 divisors, whose sum is σ = 48776780. Its totient is φ = 48776778.

The previous prime is 48776773. The next prime is 48776797. The reversal of 48776779 is 97767784.

Together with next prime (48776797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48776779 - 2⁵ = 48776747 is a prime.

It is a super-2 number, since 2×48776779² = 4758348339229682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48776773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24388389 + 24388390.

It is an arithmetic number, because the mean of its divisors is an integer number (24388390).

Almost surely, 2^48776779 is an apocalyptic number.

48776779 is a deficient number, since it is larger than the sum of its proper divisors (1).

48776779 is an equidigital number, since it uses as much as digits as its factorization.

48776779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4148928, while the sum is 55.

The square root of 48776779 is about 6984.0374426259. The cubic root of 48776779 is about 365.3740557647.

The spelling of 48776779 in words is "forty-eight million, seven hundred seventy-six thousand, seven hundred seventy-nine".