49899787 has 12 divisors (see below), whose sum is σ = 58313280. Its totient is φ = 42574896.

The previous prime is 49899763. The next prime is 49899793. The reversal of 49899787 is 78799894.

It is not a de Polignac number, because 49899787 - 2¹⁵ = 49867019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49899587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8998 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (4859440).

Almost surely, 2^49899787 is an apocalyptic number.

49899787 is a deficient number, since it is larger than the sum of its proper divisors (8413493).

49899787 is a wasteful number, since it uses less digits than its factorization.

49899787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4683 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 61.

The square root of 49899787 is about 7063.9781285052. The cubic root of 49899787 is about 368.1568600153.

The spelling of 49899787 in words is "forty-nine million, eight hundred ninety-nine thousand, seven hundred eighty-seven".