49086887890 has 32 divisors (see below), whose sum is σ = 90299681280. Its totient is φ = 19203501504.

The previous prime is 49086887849. The next prime is 49086887921. The reversal of 49086887890 is 9878868094.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646971 + ... + 718849.

It is an arithmetic number, because the mean of its divisors is an integer number (2821865040).

Almost surely, 2^49086887890 is an apocalyptic number.

49086887890 is a deficient number, since it is larger than the sum of its proper divisors (41212793390).

49086887890 is a wasteful number, since it uses less digits than its factorization.

49086887890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73386.

The product of its (nonzero) digits is 55738368, while the sum is 67.

The spelling of 49086887890 in words is "forty-nine billion, eighty-six million, eight hundred eighty-seven thousand, eight hundred ninety".