7770663122 has 4 divisors (see below), whose sum is σ = 11655994686. Its totient is φ = 3885331560.

The previous prime is 7770663119. The next prime is 7770663133. The reversal of 7770663122 is 2213660777.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4705822801 + 3064840321 = 68599^2 + 55361^2 .

It is a super-2 number, since 2×7770663122² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7770663122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942665779 + ... + 1942665782.

Almost surely, 2^7770663122 is an apocalyptic number.

7770663122 is a deficient number, since it is larger than the sum of its proper divisors (3885331564).

7770663122 is a wasteful number, since it uses less digits than its factorization.

7770663122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885331563.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 7770663122 is about 88151.3648334500. The cubic root of 7770663122 is about 1980.7030053062.

The spelling of 7770663122 in words is "seven billion, seven hundred seventy million, six hundred sixty-three thousand, one hundred twenty-two".