50204647978 has 8 divisors (see below), whose sum is σ = 76367633760. Its totient is φ = 24748770060.

The previous prime is 50204647957. The next prime is 50204647981. The reversal of 50204647978 is 87974640205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176776788 + ... + 176777071.

It is an arithmetic number, because the mean of its divisors is an integer number (9545954220).

Almost surely, 2^50204647978 is an apocalyptic number.

50204647978 is a deficient number, since it is larger than the sum of its proper divisors (26162985782).

50204647978 is a wasteful number, since it uses less digits than its factorization.

50204647978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353553932.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 50204647978 in words is "fifty billion, two hundred four million, six hundred forty-seven thousand, nine hundred seventy-eight".