28779050 has 12 divisors (see below), whose sum is σ = 53529126. Its totient is φ = 11511600.

The previous prime is 28779043. The next prime is 28779059. The reversal of 28779050 is 5097782.

It can be written as a sum of positive squares in 3 ways, for example, as 22024249 + 6754801 = 4693^2 + 2599^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28778995 and 28779013.

It is not an unprimeable number, because it can be changed into a prime (28779059) 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, 287741 + ... + 287840.

Almost surely, 2^28779050 is an apocalyptic number.

28779050 is a deficient number, since it is larger than the sum of its proper divisors (24750076).

28779050 is a wasteful number, since it uses less digits than its factorization.

28779050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575593 (or 575588 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 28779050 is about 5364.6108898969. The cubic root of 28779050 is about 306.4494300086.

The spelling of 28779050 in words is "twenty-eight million, seven hundred seventy-nine thousand, fifty".