577866906072 has 144 divisors (see below), whose sum is σ = 1658634686280. Its totient is φ = 181725120000.

The previous prime is 577866906037. The next prime is 577866906079. The reversal of 577866906072 is 270609668775.

It is a super-2 number, since 2×577866906072² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577866906079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6217947 + ... + 6310197.

Almost surely, 2^577866906072 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 577866906072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829317343140).

577866906072 is an abundant number, since it is smaller than the sum of its proper divisors (1080767780208).

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

577866906072 is a wasteful number, since it uses less digits than its factorization.

577866906072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92542 (or 92516 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 577866906072 in words is "five hundred seventy-seven billion, eight hundred sixty-six million, nine hundred six thousand, seventy-two".