28625763 has 6 divisors (see below), whose sum is σ = 38180044. Its totient is φ = 19077664.

The previous prime is 28625759. The next prime is 28625783. The reversal of 28625763 is 36752682.

It is not a de Polignac number, because 28625763 - 2² = 28625759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28625713) 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, 7723 + ... + 10811.

Almost surely, 2^28625763 is an apocalyptic number.

28625763 is a deficient number, since it is larger than the sum of its proper divisors (9554281).

28625763 is an frugal number, since it uses more digits than its factorization.

28625763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181 (or 3092 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 28625763 is about 5350.3049445803. The cubic root of 28625763 is about 305.9043765461.

The spelling of 28625763 in words is "twenty-eight million, six hundred twenty-five thousand, seven hundred sixty-three".