49769977 has 4 divisors (see below), whose sum is σ = 49989456. Its totient is φ = 49550500.

The previous prime is 49769959. The next prime is 49769989. The reversal of 49769977 is 77996794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49769977 - 2¹⁵ = 49737209 is a prime.

It is a super-2 number, since 2×49769977² = 4954101221161058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49769917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109399 + ... + 109852.

It is an arithmetic number, because the mean of its divisors is an integer number (12497364).

Almost surely, 2^49769977 is an apocalyptic number.

It is an amenable number.

49769977 is a deficient number, since it is larger than the sum of its proper divisors (219479).

49769977 is a wasteful number, since it uses less digits than its factorization.

49769977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219478.

The product of its digits is 6001128, while the sum is 58.

The square root of 49769977 is about 7054.7839796836. The cubic root of 49769977 is about 367.8373399948.

The spelling of 49769977 in words is "forty-nine million, seven hundred sixty-nine thousand, nine hundred seventy-seven".