28077196 has 36 divisors (see below), whose sum is σ = 59013696. Its totient is φ = 11642400.

The previous prime is 28077173. The next prime is 28077197. The reversal of 28077196 is 69177082.

It is not an unprimeable number, because it can be changed into a prime (28077197) 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, 3766 + ... + 8386.

Almost surely, 2^28077196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28077196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29506848).

28077196 is an abundant number, since it is smaller than the sum of its proper divisors (30936500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28077196 is a wasteful number, since it uses less digits than its factorization.

28077196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 28077196 is about 5298.7919377911. The cubic root of 28077196 is about 303.9377036477.

The spelling of 28077196 in words is "twenty-eight million, seventy-seven thousand, one hundred ninety-six".