49776679 has 2 divisors, whose sum is σ = 49776680. Its totient is φ = 49776678.

The previous prime is 49776653. The next prime is 49776709. The reversal of 49776679 is 97667794.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49776679 - 2⁵ = 49776647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49776479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24888339 + 24888340.

It is an arithmetic number, because the mean of its divisors is an integer number (24888340).

Almost surely, 2^49776679 is an apocalyptic number.

49776679 is a deficient number, since it is larger than the sum of its proper divisors (1).

49776679 is an equidigital number, since it uses as much as digits as its factorization.

49776679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 55.

The square root of 49776679 is about 7055.2589605202. The cubic root of 49776679 is about 367.8538501840.

The spelling of 49776679 in words is "forty-nine million, seven hundred seventy-six thousand, six hundred seventy-nine".