28476788 has 12 divisors (see below), whose sum is σ = 50165472. Its totient is φ = 14143800.

The previous prime is 28476787. The next prime is 28476823. The reversal of 28476788 is 88767482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28476781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22970 + ... + 24177.

It is an arithmetic number, because the mean of its divisors is an integer number (4180456).

Almost surely, 2^28476788 is an apocalyptic number.

It is an amenable number.

28476788 is a deficient number, since it is larger than the sum of its proper divisors (21688684).

28476788 is a wasteful number, since it uses less digits than its factorization.

28476788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302 (or 47300 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 28476788 is about 5336.3646801919. The cubic root of 28476788 is about 305.3727879240.

The spelling of 28476788 in words is "twenty-eight million, four hundred seventy-six thousand, seven hundred eighty-eight".