547977864 has 128 divisors (see below), whose sum is σ = 1665757440. Its totient is φ = 146644992.

The previous prime is 547977827. The next prime is 547977877. The reversal of 547977864 is 468779745.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 893622 + ... + 894234.

It is an arithmetic number, because the mean of its divisors is an integer number (13013730).

Almost surely, 2^547977864 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 547977864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832878720).

547977864 is an abundant number, since it is smaller than the sum of its proper divisors (1117779576).

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

547977864 is a wasteful number, since it uses less digits than its factorization.

547977864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 955 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 57.

The square root of 547977864 is about 23408.9270151368. The cubic root of 547977864 is about 818.3159290017.

The spelling of 547977864 in words is "five hundred forty-seven million, nine hundred seventy-seven thousand, eight hundred sixty-four".