609900778670 has 8 divisors (see below), whose sum is σ = 1097821401624. Its totient is φ = 243960311464.

The previous prime is 609900778589. The next prime is 609900778679. The reversal of 609900778670 is 76877009906.

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

It is a super-3 number, since 3×609900778670³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609900778679) 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, 30495038924 + ... + 30495038943.

It is an arithmetic number, because the mean of its divisors is an integer number (137227675203).

Almost surely, 2^609900778670 is an apocalyptic number.

609900778670 is a deficient number, since it is larger than the sum of its proper divisors (487920622954).

609900778670 is a wasteful number, since it uses less digits than its factorization.

609900778670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60990077874.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 609900778670 in words is "six hundred nine billion, nine hundred million, seven hundred seventy-eight thousand, six hundred seventy".