609025077781 has 8 divisors (see below), whose sum is σ = 628833913344. Its totient is φ = 589226421360.

The previous prime is 609025077763. The next prime is 609025077821. The reversal of 609025077781 is 187770520906.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609025077781 is a prime.

It is a super-2 number, since 2×609025077781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609025077701) 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 7 ways as a sum of consecutive naturals, for example, 2423086 + ... + 2662591.

It is an arithmetic number, because the mean of its divisors is an integer number (78604239168).

Almost surely, 2^609025077781 is an apocalyptic number.

It is an amenable number.

609025077781 is a deficient number, since it is larger than the sum of its proper divisors (19808835563).

609025077781 is a wasteful number, since it uses less digits than its factorization.

609025077781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089571.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 609025077781 in words is "six hundred nine billion, twenty-five million, seventy-seven thousand, seven hundred eighty-one".