577968387 has 8 divisors (see below), whose sum is σ = 773368080. Its totient is φ = 383940480.

The previous prime is 577968361. The next prime is 577968421. The reversal of 577968387 is 783869775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 577968387 - 2²² = 573774083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 577968387.

It is not an unprimeable number, because it can be changed into a prime (577968337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341962 + ... + 343647.

It is an arithmetic number, because the mean of its divisors is an integer number (96671010).

Almost surely, 2^577968387 is an apocalyptic number.

577968387 is a deficient number, since it is larger than the sum of its proper divisors (195399693).

577968387 is a wasteful number, since it uses less digits than its factorization.

577968387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685893.

The product of its digits is 17781120, while the sum is 60.

The square root of 577968387 is about 24040.9730876269. The cubic root of 577968387 is about 832.9802317198.

The spelling of 577968387 in words is "five hundred seventy-seven million, nine hundred sixty-eight thousand, three hundred eighty-seven".