47780477796 has 48 divisors (see below), whose sum is σ = 113208133248. Its totient is φ = 15681657600.

The previous prime is 47780477777. The next prime is 47780477803. The reversal of 47780477796 is 69777408774.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611526 + ... + 685218.

It is an arithmetic number, because the mean of its divisors is an integer number (2358502776).

Almost surely, 2^47780477796 is an apocalyptic number.

It is an amenable number.

47780477796 is an abundant number, since it is smaller than the sum of its proper divisors (65427655452).

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

47780477796 is a wasteful number, since it uses less digits than its factorization.

47780477796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74532 (or 74530 counting only the distinct ones).

The product of its (nonzero) digits is 116169984, while the sum is 66.

The spelling of 47780477796 in words is "forty-seven billion, seven hundred eighty million, four hundred seventy-seven thousand, seven hundred ninety-six".