49478090885 has 8 divisors (see below), whose sum is σ = 61421078520. Its totient is φ = 38217559744.

The previous prime is 49478090873. The next prime is 49478090897. The reversal of 49478090885 is 58809087494.

It is an interprime number because it is at equal distance from previous prime (49478090873) and next prime (49478090897).

It can be written as a sum of positive squares in 4 ways, for example, as 15348484321 + 34129606564 = 123889^2 + 184742^2 .

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 49478090885 - 2⁴ = 49478090869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170613962 + ... + 170614251.

It is an arithmetic number, because the mean of its divisors is an integer number (7677634815).

Almost surely, 2^49478090885 is an apocalyptic number.

It is an amenable number.

49478090885 is a deficient number, since it is larger than the sum of its proper divisors (11942987635).

49478090885 is a wasteful number, since it uses less digits than its factorization.

49478090885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341228247.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 49478090885 in words is "forty-nine billion, four hundred seventy-eight million, ninety thousand, eight hundred eighty-five".