49779087 has 16 divisors (see below), whose sum is σ = 69030912. Its totient is φ = 31872960.

The previous prime is 49779049. The next prime is 49779173. The reversal of 49779087 is 78097794.

It is a de Polignac number, because none of the positive numbers 2^k-49779087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49779007) 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, 10788 + ... + 14694.

It is an arithmetic number, because the mean of its divisors is an integer number (4314432).

Almost surely, 2^49779087 is an apocalyptic number.

49779087 is a deficient number, since it is larger than the sum of its proper divisors (19251825).

49779087 is a wasteful number, since it uses less digits than its factorization.

49779087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078.

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

The square root of 49779087 is about 7055.4296112994. The cubic root of 49779087 is about 367.8597818626.

The spelling of 49779087 in words is "forty-nine million, seven hundred seventy-nine thousand, eighty-seven".