7768157445 has 16 divisors (see below), whose sum is σ = 13810057920. Its totient is φ = 4143017232.

The previous prime is 7768157417. The next prime is 7768157473. The reversal of 7768157445 is 5447518677.

7768157445 is a `hidden beast` number, since 7 + 7 + 68 + 1 + 574 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (7768157417) and next prime (7768157473).

It is not a de Polignac number, because 7768157445 - 2⁶ = 7768157381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7768157391 and 7768157400.

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, 28770819 + ... + 28771088.

It is an arithmetic number, because the mean of its divisors is an integer number (863128620).

Almost surely, 2^7768157445 is an apocalyptic number.

It is an amenable number.

7768157445 is a deficient number, since it is larger than the sum of its proper divisors (6041900475).

7768157445 is a wasteful number, since it uses less digits than its factorization.

7768157445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57541921 (or 57541915 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The square root of 7768157445 is about 88137.1513324546. The cubic root of 7768157445 is about 1980.4900875913.

The spelling of 7768157445 in words is "seven billion, seven hundred sixty-eight million, one hundred fifty-seven thousand, four hundred forty-five".