28547462800 has 30 divisors (see below), whose sum is σ = 68585280338. Its totient is φ = 11418984960.

The previous prime is 28547462777. The next prime is 28547462803. The reversal of 28547462800 is 826474582.

It can be written as a sum of positive squares in 3 ways, for example, as 425514384 + 28121948416 = 20628^2 + 167696^2 .

It is not an unprimeable number, because it can be changed into a prime (28547462803) 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, 35683929 + ... + 35684728.

Almost surely, 2^28547462800 is an apocalyptic number.

28547462800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28547462800 is an abundant number, since it is smaller than the sum of its proper divisors (40037817538).

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

28547462800 is a wasteful number, since it uses less digits than its factorization.

28547462800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71368675 (or 71368664 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 28547462800 in words is "twenty-eight billion, five hundred forty-seven million, four hundred sixty-two thousand, eight hundred".