49077987 has 8 divisors (see below), whose sum is σ = 74785536. Its totient is φ = 28044552.

The previous prime is 49077979. The next prime is 49078009. The reversal of 49077987 is 78977094.

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

It is not a de Polignac number, because 49077987 - 2³ = 49077979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49077907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168503 + ... + 1168544.

It is an arithmetic number, because the mean of its divisors is an integer number (9348192).

Almost surely, 2^49077987 is an apocalyptic number.

49077987 is a deficient number, since it is larger than the sum of its proper divisors (25707549).

49077987 is a wasteful number, since it uses less digits than its factorization.

49077987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337057.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 49077987 is about 7005.5682852999. The cubic root of 49077987 is about 366.1246029806.

The spelling of 49077987 in words is "forty-nine million, seventy-seven thousand, nine hundred eighty-seven".