49771619178 has 16 divisors (see below), whose sum is σ = 99705632736. Its totient is φ = 16563474000.

The previous prime is 49771619153. The next prime is 49771619201. The reversal of 49771619178 is 87191617794.

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, 6762448 + ... + 6769803.

It is an arithmetic number, because the mean of its divisors is an integer number (6231602046).

Almost surely, 2^49771619178 is an apocalyptic number.

49771619178 is an abundant number, since it is smaller than the sum of its proper divisors (49934013558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49771619178 is a wasteful number, since it uses less digits than its factorization.

49771619178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13532869.

The product of its digits is 5334336, while the sum is 60.

The spelling of 49771619178 in words is "forty-nine billion, seven hundred seventy-one million, six hundred nineteen thousand, one hundred seventy-eight".