49877718 has 32 divisors (see below), whose sum is σ = 109078272. Its totient is φ = 15079200.

The previous prime is 49877693. The next prime is 49877719. The reversal of 49877718 is 81777894.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49877719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47863 + ... + 48893.

It is an arithmetic number, because the mean of its divisors is an integer number (3408696).

Almost surely, 2^49877718 is an apocalyptic number.

49877718 is an abundant number, since it is smaller than the sum of its proper divisors (59200554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49877718 is a wasteful number, since it uses less digits than its factorization.

49877718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 790272, while the sum is 51.

The square root of 49877718 is about 7062.4158756052. The cubic root of 49877718 is about 368.1025775403.

The spelling of 49877718 in words is "forty-nine million, eight hundred seventy-seven thousand, seven hundred eighteen".