49120878 has 16 divisors (see below), whose sum is σ = 100526976. Its totient is φ = 15992760.

The previous prime is 49120873. The next prime is 49120889. The reversal of 49120878 is 87802194.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49120873) 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, 94938 + ... + 95453.

It is an arithmetic number, because the mean of its divisors is an integer number (6282936).

Almost surely, 2^49120878 is an apocalyptic number.

49120878 is an abundant number, since it is smaller than the sum of its proper divisors (51406098).

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

49120878 is a wasteful number, since it uses less digits than its factorization.

49120878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190439.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 49120878 is about 7008.6288245277. The cubic root of 49120878 is about 366.2312283669.

The spelling of 49120878 in words is "forty-nine million, one hundred twenty thousand, eight hundred seventy-eight".