28050158 has 4 divisors (see below), whose sum is σ = 42075240. Its totient is φ = 14025078.

The previous prime is 28050151. The next prime is 28050161. The reversal of 28050158 is 85105082.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×28050158² = 1573622727649928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28050158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28050151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7012538 + ... + 7012541.

It is an arithmetic number, because the mean of its divisors is an integer number (10518810).

Almost surely, 2^28050158 is an apocalyptic number.

28050158 is a deficient number, since it is larger than the sum of its proper divisors (14025082).

28050158 is a wasteful number, since it uses less digits than its factorization.

28050158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14025081.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 28050158 is about 5296.2399870097. The cubic root of 28050158 is about 303.8401095367.

The spelling of 28050158 in words is "twenty-eight million, fifty thousand, one hundred fifty-eight".