49979827 has 2 divisors, whose sum is σ = 49979828. Its totient is φ = 49979826.

The previous prime is 49979821. The next prime is 49979837. The reversal of 49979827 is 72897994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49979827 - 2¹⁵ = 49947059 is a prime.

It is not a weakly prime, because it can be changed into another prime (49979821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24989913 + 24989914.

It is an arithmetic number, because the mean of its divisors is an integer number (24989914).

Almost surely, 2^49979827 is an apocalyptic number.

49979827 is a deficient number, since it is larger than the sum of its proper divisors (1).

49979827 is an equidigital number, since it uses as much as digits as its factorization.

49979827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 55.

The square root of 49979827 is about 7069.6412214482. The cubic root of 49979827 is about 368.3535978877.

The spelling of 49979827 in words is "forty-nine million, nine hundred seventy-nine thousand, eight hundred twenty-seven".