577881216 has 224 divisors, whose sum is σ = 1886343120. Its totient is φ = 174804480.

The previous prime is 577881203. The next prime is 577881247. The reversal of 577881216 is 612188775.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1026151 + ... + 1026713.

Almost surely, 2^577881216 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 577881216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943171560).

577881216 is an abundant number, since it is smaller than the sum of its proper divisors (1308461904).

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

577881216 is an equidigital number, since it uses as much as digits as its factorization.

577881216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 579 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 577881216 is about 24039.1600518820. The cubic root of 577881216 is about 832.9383520529.

The spelling of 577881216 in words is "five hundred seventy-seven million, eight hundred eighty-one thousand, two hundred sixteen".