28760768451 has 6 divisors (see below), whose sum is σ = 41543332220. Its totient is φ = 19173845628.

The previous prime is 28760768441. The next prime is 28760768497. The reversal of 28760768451 is 15486706782.

28760768451 is a `hidden beast` number, since 28 + 7 + 607 + 6 + 8 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 28760768451 - 2¹⁵ = 28760735683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28760768441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1597820461 + ... + 1597820478.

Almost surely, 2^28760768451 is an apocalyptic number.

28760768451 is a deficient number, since it is larger than the sum of its proper divisors (12782563769).

28760768451 is a wasteful number, since it uses less digits than its factorization.

28760768451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195640945 (or 3195640942 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 28760768451 in words is "twenty-eight billion, seven hundred sixty million, seven hundred sixty-eight thousand, four hundred fifty-one".