49787799 has 16 divisors (see below), whose sum is σ = 68342400. Its totient is φ = 32226656.

The previous prime is 49787797. The next prime is 49787807. The reversal of 49787799 is 99778794.

It is a cyclic number.

It is not a de Polignac number, because 49787799 - 2¹ = 49787797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49787791) 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, 12997 + ... + 16385.

It is an arithmetic number, because the mean of its divisors is an integer number (4271400).

Almost surely, 2^49787799 is an apocalyptic number.

49787799 is a deficient number, since it is larger than the sum of its proper divisors (18554601).

49787799 is a wasteful number, since it uses less digits than its factorization.

49787799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its digits is 8001504, while the sum is 60.

The square root of 49787799 is about 7056.0469811361. The cubic root of 49787799 is about 367.8812407233.

The spelling of 49787799 in words is "forty-nine million, seven hundred eighty-seven thousand, seven hundred ninety-nine".