547456967820 has 216 divisors, whose sum is σ = 1949798030544. Its totient is φ = 123963340032.

The previous prime is 547456967819. The next prime is 547456967831. The reversal of 547456967820 is 28769654745.

547456967820 is a `hidden beast` number, since 5 + 4 + 7 + 4 + 569 + 67 + 8 + 2 + 0 = 666.

It is a super-2 number, since 2×547456967820² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 653694 + ... + 1233786.

It is an arithmetic number, because the mean of its divisors is an integer number (9026842734).

Almost surely, 2^547456967820 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 547456967820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974899015272).

547456967820 is an abundant number, since it is smaller than the sum of its proper divisors (1402341062724).

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

547456967820 is a wasteful number, since it uses less digits than its factorization.

547456967820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580229 (or 580217 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 63.

The spelling of 547456967820 in words is "five hundred forty-seven billion, four hundred fifty-six million, nine hundred sixty-seven thousand, eight hundred twenty".