7769679045 has 8 divisors (see below), whose sum is σ = 12431486496. Its totient is φ = 4143828816.

The previous prime is 7769679041. The next prime is 7769679089. The reversal of 7769679045 is 5409769677.

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

It is not a de Polignac number, because 7769679045 - 2² = 7769679041 is a prime.

It is a super-2 number, since 2×7769679045² (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 7769679045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7769679041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258989287 + ... + 258989316.

It is an arithmetic number, because the mean of its divisors is an integer number (1553935812).

Almost surely, 2^7769679045 is an apocalyptic number.

It is an amenable number.

7769679045 is a deficient number, since it is larger than the sum of its proper divisors (4661807451).

7769679045 is a wasteful number, since it uses less digits than its factorization.

7769679045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517978611.

The product of its (nonzero) digits is 20003760, while the sum is 60.

The square root of 7769679045 is about 88145.7829110389. The cubic root of 7769679045 is about 1980.6193896813.

The spelling of 7769679045 in words is "seven billion, seven hundred sixty-nine million, six hundred seventy-nine thousand, forty-five".