49078889 has 8 divisors (see below), whose sum is σ = 49610880. Its totient is φ = 48550096.

The previous prime is 49078877. The next prime is 49078903. The reversal of 49078889 is 98887094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49078889 - 2⁴ = 49078873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49078889.

It is not an unprimeable number, because it can be changed into a prime (49078789) 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, 40754 + ... + 41940.

It is an arithmetic number, because the mean of its divisors is an integer number (6201360).

Almost surely, 2^49078889 is an apocalyptic number.

It is an amenable number.

49078889 is a deficient number, since it is larger than the sum of its proper divisors (531991).

49078889 is a wasteful number, since it uses less digits than its factorization.

49078889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 49078889 is about 7005.6326623653. The cubic root of 49078889 is about 366.1268459575.

The spelling of 49078889 in words is "forty-nine million, seventy-eight thousand, eight hundred eighty-nine".