49887279 has 48 divisors (see below), whose sum is σ = 82919200. Its totient is φ = 29641248.

The previous prime is 49887269. The next prime is 49887281. The reversal of 49887279 is 97278894.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

49887279 is a `hidden beast` number, since 498 + 87 + 2 + 79 = 666.

It is not a de Polignac number, because 49887279 - 2⁴ = 49887263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49887209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1720237 + ... + 1720265.

Almost surely, 2^49887279 is an apocalyptic number.

49887279 is a deficient number, since it is larger than the sum of its proper divisors (33031921).

49887279 is an equidigital number, since it uses as much as digits as its factorization.

49887279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 45 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 49887279 is about 7063.0927361886. The cubic root of 49887279 is about 368.1260964183.

The spelling of 49887279 in words is "forty-nine million, eight hundred eighty-seven thousand, two hundred seventy-nine".