7822980385 has 8 divisors (see below), whose sum is σ = 10240992576. Its totient is φ = 5689440240.

The previous prime is 7822980349. The next prime is 7822980413. The reversal of 7822980385 is 5830892287.

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

It is not a de Polignac number, because 7822980385 - 2¹⁵ = 7822947617 is a prime.

It is a super-2 number, since 2×7822980385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 71117949 + ... + 71118058.

It is an arithmetic number, because the mean of its divisors is an integer number (1280124072).

Almost surely, 2^7822980385 is an apocalyptic number.

It is an amenable number.

7822980385 is a deficient number, since it is larger than the sum of its proper divisors (2418012191).

7822980385 is a wasteful number, since it uses less digits than its factorization.

7822980385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142236023.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 7822980385 is about 88447.6137891803. The cubic root of 7822980385 is about 1985.1382024510.

The spelling of 7822980385 in words is "seven billion, eight hundred twenty-two million, nine hundred eighty thousand, three hundred eighty-five".