28761359 has 12 divisors (see below), whose sum is σ = 32505720. Its totient is φ = 25236960.

The previous prime is 28761323. The next prime is 28761371. The reversal of 28761359 is 95316782.

It is a de Polignac number, because none of the positive numbers 2^k-28761359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28761659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7697 + ... + 10805.

It is an arithmetic number, because the mean of its divisors is an integer number (2708810).

Almost surely, 2^28761359 is an apocalyptic number.

28761359 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28761359 is a deficient number, since it is larger than the sum of its proper divisors (3744361).

28761359 is a wasteful number, since it uses less digits than its factorization.

28761359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3149 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 28761359 is about 5362.9617749896. The cubic root of 28761359 is about 306.3866238108.

The spelling of 28761359 in words is "twenty-eight million, seven hundred sixty-one thousand, three hundred fifty-nine".