49866679 has 4 divisors (see below), whose sum is σ = 50086584. Its totient is φ = 49646776.

The previous prime is 49866653. The next prime is 49866683. The reversal of 49866679 is 97666894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49866679 - 2¹¹ = 49864631 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 (49866079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109612 + ... + 110065.

It is an arithmetic number, because the mean of its divisors is an integer number (12521646).

Almost surely, 2^49866679 is an apocalyptic number.

49866679 is a deficient number, since it is larger than the sum of its proper divisors (219905).

49866679 is a wasteful number, since it uses less digits than its factorization.

49866679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219904.

The product of its digits is 3919104, while the sum is 55.

The square root of 49866679 is about 7061.6343009250. The cubic root of 49866679 is about 368.0754192264.

The spelling of 49866679 in words is "forty-nine million, eight hundred sixty-six thousand, six hundred seventy-nine".