49872487 has 16 divisors (see below), whose sum is σ = 60083712. Its totient is φ = 40471200.

The previous prime is 49872479. The next prime is 49872491. The reversal of 49872487 is 78427894.

It is not a de Polignac number, because 49872487 - 2³ = 49872479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49872487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49872887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14728 + ... + 17794.

It is an arithmetic number, because the mean of its divisors is an integer number (3755232).

Almost surely, 2^49872487 is an apocalyptic number.

49872487 is a deficient number, since it is larger than the sum of its proper divisors (10211225).

49872487 is a wasteful number, since it uses less digits than its factorization.

49872487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its digits is 903168, while the sum is 49.

The square root of 49872487 is about 7062.0455252002. The cubic root of 49872487 is about 368.0897086550.

The spelling of 49872487 in words is "forty-nine million, eight hundred seventy-two thousand, four hundred eighty-seven".