50987900778 has 16 divisors (see below), whose sum is σ = 101978591520. Its totient is φ = 16995501936.

The previous prime is 50987900693. The next prime is 50987900779. The reversal of 50987900778 is 87700978905.

It is not an unprimeable number, because it can be changed into a prime (50987900779) 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, 179028 + ... + 366096.

It is an arithmetic number, because the mean of its divisors is an integer number (6373661970).

Almost surely, 2^50987900778 is an apocalyptic number.

50987900778 is an abundant number, since it is smaller than the sum of its proper divisors (50990690742).

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

50987900778 is a wasteful number, since it uses less digits than its factorization.

50987900778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232501.

The product of its (nonzero) digits is 8890560, while the sum is 60.

The spelling of 50987900778 in words is "fifty billion, nine hundred eighty-seven million, nine hundred thousand, seven hundred seventy-eight".