47937704978 has 8 divisors (see below), whose sum is σ = 72979789872. Its totient is φ = 23611108356.

The previous prime is 47937704977. The next prime is 47937704981. The reversal of 47937704978 is 87940773974.

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

It is not an unprimeable number, because it can be changed into a prime (47937704977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178871900 + ... + 178872167.

It is an arithmetic number, because the mean of its divisors is an integer number (9122473734).

Almost surely, 2^47937704978 is an apocalyptic number.

47937704978 is a deficient number, since it is larger than the sum of its proper divisors (25042084894).

47937704978 is a wasteful number, since it uses less digits than its factorization.

47937704978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357744136.

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 47937704978 in words is "forty-seven billion, nine hundred thirty-seven million, seven hundred four thousand, nine hundred seventy-eight".