49766789 has 8 divisors (see below), whose sum is σ = 50719968. Its totient is φ = 48818160.

The previous prime is 49766777. The next prime is 49766807. The reversal of 49766789 is 98766794.

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

It is a cyclic number.

It is not a de Polignac number, because 49766789 - 2⁸ = 49766533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49766389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27614 + ... + 29360.

It is an arithmetic number, because the mean of its divisors is an integer number (6339996).

Almost surely, 2^49766789 is an apocalyptic number.

It is an amenable number.

49766789 is a deficient number, since it is larger than the sum of its proper divisors (953179).

49766789 is a wasteful number, since it uses less digits than its factorization.

49766789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275.

The product of its digits is 4572288, while the sum is 56.

The square root of 49766789 is about 7054.5580300966. The cubic root of 49766789 is about 367.8294859259.

The spelling of 49766789 in words is "forty-nine million, seven hundred sixty-six thousand, seven hundred eighty-nine".