7774980085 has 8 divisors (see below), whose sum is σ = 9330831360. Its totient is φ = 6219413904.

The previous prime is 7774980041. The next prime is 7774980091. The reversal of 7774980085 is 5800894777.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7774980085 - 2¹⁹ = 7774455797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5805 + ... + 124834.

It is an arithmetic number, because the mean of its divisors is an integer number (1166353920).

Almost surely, 2^7774980085 is an apocalyptic number.

It is an amenable number.

7774980085 is a deficient number, since it is larger than the sum of its proper divisors (1555851275).

7774980085 is a wasteful number, since it uses less digits than its factorization.

7774980085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142547.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The square root of 7774980085 is about 88175.8475150650. The cubic root of 7774980085 is about 1981.0697281336.

The spelling of 7774980085 in words is "seven billion, seven hundred seventy-four million, nine hundred eighty thousand, eighty-five".