577948278576 has 80 divisors (see below), whose sum is σ = 1511370766080. Its totient is φ = 190284345600.

The previous prime is 577948278559. The next prime is 577948278581. The reversal of 577948278576 is 675872849775.

It is a junction number, because it is equal to n+sod(n) for n = 577948278498 and 577948278507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20308165 + ... + 20336603.

It is an arithmetic number, because the mean of its divisors is an integer number (18892134576).

Almost surely, 2^577948278576 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 577948278576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755685383040).

577948278576 is an abundant number, since it is smaller than the sum of its proper divisors (933422487504).

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

577948278576 is a wasteful number, since it uses less digits than its factorization.

577948278576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33634 (or 33628 counting only the distinct ones).

The product of its digits is 1659571200, while the sum is 75.

The spelling of 577948278576 in words is "five hundred seventy-seven billion, nine hundred forty-eight million, two hundred seventy-eight thousand, five hundred seventy-six".