47977727730 has 32 divisors (see below), whose sum is σ = 117824376384. Its totient is φ = 12496524096.

The previous prime is 47977727713. The next prime is 47977727767. The reversal of 47977727730 is 3772777974.

It is a happy number.

47977727730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18594729 + ... + 18597308.

It is an arithmetic number, because the mean of its divisors is an integer number (3682011762).

Almost surely, 2^47977727730 is an apocalyptic number.

47977727730 is an abundant number, since it is smaller than the sum of its proper divisors (69846648654).

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

47977727730 is a wasteful number, since it uses less digits than its factorization.

47977727730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37192090.

The product of its (nonzero) digits is 25412184, while the sum is 60.

The spelling of 47977727730 in words is "forty-seven billion, nine hundred seventy-seven million, seven hundred twenty-seven thousand, seven hundred thirty".