49790878 has 4 divisors (see below), whose sum is σ = 74686320. Its totient is φ = 24895438.

The previous prime is 49790857. The next prime is 49790893. The reversal of 49790878 is 87809794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12447718 + ... + 12447721.

It is an arithmetic number, because the mean of its divisors is an integer number (18671580).

Almost surely, 2^49790878 is an apocalyptic number.

49790878 is a deficient number, since it is larger than the sum of its proper divisors (24895442).

49790878 is a wasteful number, since it uses less digits than its factorization.

49790878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24895441.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 49790878 is about 7056.2651594168. The cubic root of 49790878 is about 367.8888241273. Note that the first 4 decimals are identical.

The spelling of 49790878 in words is "forty-nine million, seven hundred ninety thousand, eight hundred seventy-eight".