4777721496 has 160 divisors (see below), whose sum is σ = 13904352000. Its totient is φ = 1531436544.

The previous prime is 4777721491. The next prime is 4777721561. The reversal of 4777721496 is 6941277774.

4777721496 is a `hidden beast` number, since 477 + 7 + 72 + 14 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4777721491) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2132745 + ... + 2134983.

It is an arithmetic number, because the mean of its divisors is an integer number (86902200).

Almost surely, 2^4777721496 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 4777721496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6952176000).

4777721496 is an abundant number, since it is smaller than the sum of its proper divisors (9126630504).

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

4777721496 is a wasteful number, since it uses less digits than its factorization.

4777721496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2370 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The square root of 4777721496 is about 69121.0640543098. The cubic root of 4777721496 is about 1684.2515022422.

The spelling of 4777721496 in words is "four billion, seven hundred seventy-seven million, seven hundred twenty-one thousand, four hundred ninety-six".