4771977737940 has 384 divisors, whose sum is σ = 18544619520000. Its totient is φ = 993460930560.

The previous prime is 4771977737897. The next prime is 4771977737993. The reversal of 4771977737940 is 497377791774.

4771977737940 is a `hidden beast` number, since 477 + 19 + 7 + 7 + 73 + 79 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 794311 + ... + 3189809.

It is an arithmetic number, because the mean of its divisors is an integer number (48293280000).

Almost surely, 2^{4771977737940} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4771977737940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9272309760000).

4771977737940 is an abundant number, since it is smaller than the sum of its proper divisors (13772641782060).

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

4771977737940 is a wasteful number, since it uses less digits than its factorization.

4771977737940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395572 (or 2395564 counting only the distinct ones).

The product of its (nonzero) digits is 457419312, while the sum is 72.

The spelling of 4771977737940 in words is "four trillion, seven hundred seventy-one billion, nine hundred seventy-seven million, seven hundred thirty-seven thousand, nine hundred forty".