28498877 has 8 divisors (see below), whose sum is σ = 31318272. Its totient is φ = 25717600.

The previous prime is 28498871. The next prime is 28498931. The reversal of 28498877 is 77889482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28498877 - 2⁴ = 28498861 is a prime.

It is a super-2 number, since 2×28498877² = 1624371980522258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28498871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7949 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (3914784).

Almost surely, 2^28498877 is an apocalyptic number.

It is an amenable number.

28498877 is a deficient number, since it is larger than the sum of its proper divisors (2819395).

28498877 is a wasteful number, since it uses less digits than its factorization.

28498877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19059.

The product of its digits is 1806336, while the sum is 53.

The square root of 28498877 is about 5338.4339463929. The cubic root of 28498877 is about 305.4517251525.

The spelling of 28498877 in words is "twenty-eight million, four hundred ninety-eight thousand, eight hundred seventy-seven".