50839688969878 has 16 divisors (see below), whose sum is σ = 77698670694480. Its totient is φ = 24940135505376.

The previous prime is 50839688969869. The next prime is 50839688969897. The reversal of 50839688969878 is 87896988693805.

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, 36547501 + ... + 37913047.

It is an arithmetic number, because the mean of its divisors is an integer number (4856166918405).

Almost surely, 2^{50839688969878} is an apocalyptic number.

50839688969878 is a deficient number, since it is larger than the sum of its proper divisors (26858981724602).

50839688969878 is a wasteful number, since it uses less digits than its factorization.

50839688969878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716831.

The product of its (nonzero) digits is 90296156160, while the sum is 94.

The spelling of 50839688969878 in words is "fifty trillion, eight hundred thirty-nine billion, six hundred eighty-eight million, nine hundred sixty-nine thousand, eight hundred seventy-eight".