49782387 has 4 divisors (see below), whose sum is σ = 66376520. Its totient is φ = 33188256.

The previous prime is 49782377. The next prime is 49782389. The reversal of 49782387 is 78328794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49782387 - 2¹² = 49778291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49782389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8297062 + ... + 8297067.

It is an arithmetic number, because the mean of its divisors is an integer number (16594130).

Almost surely, 2^49782387 is an apocalyptic number.

49782387 is a deficient number, since it is larger than the sum of its proper divisors (16594133).

49782387 is a wasteful number, since it uses less digits than its factorization.

49782387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594132.

The product of its digits is 677376, while the sum is 48.

The square root of 49782387 is about 7055.6634698659. The cubic root of 49782387 is about 367.8679105134.

The spelling of 49782387 in words is "forty-nine million, seven hundred eighty-two thousand, three hundred eighty-seven".