49008878 has 4 divisors (see below), whose sum is σ = 73513320. Its totient is φ = 24504438.

The previous prime is 49008871. The next prime is 49008887. The reversal of 49008878 is 87880094.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87880094 = 2 ⋅43940047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49008871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12252218 + ... + 12252221.

It is an arithmetic number, because the mean of its divisors is an integer number (18378330).

Almost surely, 2^49008878 is an apocalyptic number.

49008878 is a deficient number, since it is larger than the sum of its proper divisors (24504442).

49008878 is a wasteful number, since it uses less digits than its factorization.

49008878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24504441.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 49008878 is about 7000.6341141357. The cubic root of 49008878 is about 365.9526698827.

The spelling of 49008878 in words is "forty-nine million, eight thousand, eight hundred seventy-eight".