49998887 has 8 divisors (see below), whose sum is σ = 53298000. Its totient is φ = 46739584.

The previous prime is 49998869. The next prime is 49998911. The reversal of 49998887 is 78889994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49998887 - 2¹⁴ = 49982503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7337 + ... + 12402.

It is an arithmetic number, because the mean of its divisors is an integer number (6662250).

Almost surely, 2^49998887 is an apocalyptic number.

49998887 is a deficient number, since it is larger than the sum of its proper divisors (3299113).

49998887 is a wasteful number, since it uses less digits than its factorization.

49998887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19905.

The product of its digits is 10450944, while the sum is 62.

The square root of 49998887 is about 7070.9891104428. The cubic root of 49998887 is about 368.4004162924.

The spelling of 49998887 in words is "forty-nine million, nine hundred ninety-eight thousand, eight hundred eighty-seven".