7769049456 has 80 divisors (see below), whose sum is σ = 23024669184. Its totient is φ = 2211263232.

The previous prime is 7769049427. The next prime is 7769049493. The reversal of 7769049456 is 6549409677.

It is a junction number, because it is equal to n+sod(n) for n = 7769049396 and 7769049405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44410 + ... + 132326.

Almost surely, 2^7769049456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7769049456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11512334592).

7769049456 is an abundant number, since it is smaller than the sum of its proper divisors (15255619728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7769049456 is a wasteful number, since it uses less digits than its factorization.

7769049456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88198 (or 88192 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The square root of 7769049456 is about 88142.2115447531. The cubic root of 7769049456 is about 1980.5658906947.

The spelling of 7769049456 in words is "seven billion, seven hundred sixty-nine million, forty-nine thousand, four hundred fifty-six".