577321060247 has 4 divisors (see below), whose sum is σ = 577329530880. Its totient is φ = 577312589616.

The previous prime is 577321060241. The next prime is 577321060271. The reversal of 577321060247 is 742060123775.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-577321060247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 577321060198 and 577321060207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577321060241) 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, 4132247 + ... + 4269672.

It is an arithmetic number, because the mean of its divisors is an integer number (144332382720).

Almost surely, 2^577321060247 is an apocalyptic number.

577321060247 is a deficient number, since it is larger than the sum of its proper divisors (8470633).

577321060247 is an equidigital number, since it uses as much as digits as its factorization.

577321060247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470632.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 577321060247 in words is "five hundred seventy-seven billion, three hundred twenty-one million, sixty thousand, two hundred forty-seven".