9775681082 has 4 divisors (see below), whose sum is σ = 14663521626. Its totient is φ = 4887840540.

The previous prime is 9775681063. The next prime is 9775681133. The reversal of 9775681082 is 2801865779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2801865779 = 73 ⋅38381723.

It can be written as a sum of positive squares in only one way, i.e., 7136701441 + 2638979641 = 84479^2 + 51371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443920269 + ... + 2443920272.

Almost surely, 2^9775681082 is an apocalyptic number.

9775681082 is a deficient number, since it is larger than the sum of its proper divisors (4887840544).

9775681082 is a wasteful number, since it uses less digits than its factorization.

9775681082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887840543.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 9775681082 is about 98872.0439861541. The cubic root of 9775681082 is about 2138.2033630779.

The spelling of 9775681082 in words is "nine billion, seven hundred seventy-five million, six hundred eighty-one thousand, eighty-two".