49878998 has 12 divisors (see below), whose sum is σ = 81017028. Its totient is φ = 23020920.

The previous prime is 49878979. The next prime is 49879073. The reversal of 49878998 is 89987894.

It is a self number, because there is not a number n which added to its sum of digits gives 49878998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73448 + ... + 74123.

It is an arithmetic number, because the mean of its divisors is an integer number (6751419).

Almost surely, 2^49878998 is an apocalyptic number.

49878998 is a deficient number, since it is larger than the sum of its proper divisors (31138030).

49878998 is a wasteful number, since it uses less digits than its factorization.

49878998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147599 (or 147586 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 62.

The square root of 49878998 is about 7062.5064955722. The cubic root of 49878998 is about 368.1057263563.

The spelling of 49878998 in words is "forty-nine million, eight hundred seventy-eight thousand, nine hundred ninety-eight".