49868887 has 2 divisors, whose sum is σ = 49868888. Its totient is φ = 49868886.

The previous prime is 49868879. The next prime is 49868911. The reversal of 49868887 is 78886894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49868887 - 2³ = 49868879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49868827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24934443 + 24934444.

It is an arithmetic number, because the mean of its divisors is an integer number (24934444).

Almost surely, 2^49868887 is an apocalyptic number.

49868887 is a deficient number, since it is larger than the sum of its proper divisors (1).

49868887 is an equidigital number, since it uses as much as digits as its factorization.

49868887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 58.

The square root of 49868887 is about 7061.7906369419. The cubic root of 49868887 is about 368.0808517019.

The spelling of 49868887 in words is "forty-nine million, eight hundred sixty-eight thousand, eight hundred eighty-seven".