28763379 has 12 divisors (see below), whose sum is σ = 41760576. Its totient is φ = 19077072.

The previous prime is 28763377. The next prime is 28763417. The reversal of 28763379 is 97336782.

It is a happy number.

28763379 is a `hidden beast` number, since 2 + 8 + 7 + 633 + 7 + 9 = 666.

It is not a de Polignac number, because 28763379 - 2¹ = 28763377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28763377) 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, 6339 + ... + 9884.

It is an arithmetic number, because the mean of its divisors is an integer number (3480048).

Almost surely, 2^28763379 is an apocalyptic number.

28763379 is a deficient number, since it is larger than the sum of its proper divisors (12997197).

28763379 is a wasteful number, since it uses less digits than its factorization.

28763379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16426 (or 16423 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 28763379 is about 5363.1501004540. The cubic root of 28763379 is about 306.3937964724.

The spelling of 28763379 in words is "twenty-eight million, seven hundred sixty-three thousand, three hundred seventy-nine".