50497881786 has 64 divisors (see below), whose sum is σ = 123431011200. Its totient is φ = 15302366640.

The previous prime is 50497881697. The next prime is 50497881803. The reversal of 50497881786 is 68718879405.

50497881786 is a `hidden beast` number, since 50 + 497 + 8 + 8 + 17 + 86 = 666.

50497881786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279421 + ... + 423168.

It is an arithmetic number, because the mean of its divisors is an integer number (1928609550).

Almost surely, 2^50497881786 is an apocalyptic number.

50497881786 is an abundant number, since it is smaller than the sum of its proper divisors (72933129414).

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

50497881786 is a wasteful number, since it uses less digits than its factorization.

50497881786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702633 (or 702605 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 50497881786 in words is "fifty billion, four hundred ninety-seven million, eight hundred eighty-one thousand, seven hundred eighty-six".