49787878 has 8 divisors (see below), whose sum is σ = 85350672. Its totient is φ = 21337656.

The previous prime is 49787873. The next prime is 49787887. The reversal of 49787878 is 87878794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49787873) 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, 1778125 + ... + 1778152.

It is an arithmetic number, because the mean of its divisors is an integer number (10668834).

Almost surely, 2^49787878 is an apocalyptic number.

49787878 is a deficient number, since it is larger than the sum of its proper divisors (35562794).

49787878 is a wasteful number, since it uses less digits than its factorization.

49787878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556286.

The product of its digits is 6322176, while the sum is 58.

The square root of 49787878 is about 7056.0525791692. The cubic root of 49787878 is about 367.8814352997.

The spelling of 49787878 in words is "forty-nine million, seven hundred eighty-seven thousand, eight hundred seventy-eight".