577808964949 has 4 divisors (see below), whose sum is σ = 585123002560. Its totient is φ = 570494927340.

The previous prime is 577808964947. The next prime is 577808964959. The reversal of 577808964949 is 949469808775.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 577808964949 - 2¹ = 577808964947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577808964947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3657018687 + ... + 3657018844.

It is an arithmetic number, because the mean of its divisors is an integer number (146280750640).

Almost surely, 2^577808964949 is an apocalyptic number.

It is an amenable number.

577808964949 is a deficient number, since it is larger than the sum of its proper divisors (7314037611).

577808964949 is an equidigital number, since it uses as much as digits as its factorization.

577808964949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7314037610.

The product of its (nonzero) digits is 1097349120, while the sum is 76.

The spelling of 577808964949 in words is "five hundred seventy-seven billion, eight hundred eight million, nine hundred sixty-four thousand, nine hundred forty-nine".