49978127 has 2 divisors, whose sum is σ = 49978128. Its totient is φ = 49978126.

The previous prime is 49978109. The next prime is 49978141. The reversal of 49978127 is 72187994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49978127 - 2⁸ = 49977871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49978177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24989063 + 24989064.

It is an arithmetic number, because the mean of its divisors is an integer number (24989064).

Almost surely, 2^49978127 is an apocalyptic number.

49978127 is a deficient number, since it is larger than the sum of its proper divisors (1).

49978127 is an equidigital number, since it uses as much as digits as its factorization.

49978127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 49978127 is about 7069.5209880161. The cubic root of 49978127 is about 368.3494214813.

It can be divided in two parts, 49978 and 127, that added together give a palindrome (50105).

The spelling of 49978127 in words is "forty-nine million, nine hundred seventy-eight thousand, one hundred twenty-seven".