577461872181996 has 36 divisors (see below), whose sum is σ = 1459762055558352. Its totient is φ = 192478486216224.

The previous prime is 577461872181983. The next prime is 577461872182033. The reversal of 577461872181996 is 699181278164775.

577461872181996 is a `hidden beast` number, since 5 + 7 + 7 + 461 + 8 + 72 + 1 + 81 + 9 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×577461872181996³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366056631 + ... + 367630766.

It is an arithmetic number, because the mean of its divisors is an integer number (40548945987732).

Almost surely, 2^{577461872181996} is an apocalyptic number.

It is an amenable number.

577461872181996 is an abundant number, since it is smaller than the sum of its proper divisors (882300183376356).

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

577461872181996 is a wasteful number, since it uses less digits than its factorization.

577461872181996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733709270 (or 733709265 counting only the distinct ones).

The product of its digits is 2560481280, while the sum is 81.

The spelling of 577461872181996 in words is "five hundred seventy-seven trillion, four hundred sixty-one billion, eight hundred seventy-two million, one hundred eighty-one thousand, nine hundred ninety-six".