5428721700 has 108 divisors (see below), whose sum is σ = 17602870740. Its totient is φ = 1397733120.

The previous prime is 5428721693. The next prime is 5428721777. The reversal of 5428721700 is 71278245.

It can be written as a sum of positive squares in 6 ways, for example, as 625400064 + 4803321636 = 25008^2 + 69306^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77899 + ... + 130098.

Almost surely, 2^5428721700 is an apocalyptic number.

5428721700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5428721700 is an abundant number, since it is smaller than the sum of its proper divisors (12174149040).

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

5428721700 is a wasteful number, since it uses less digits than its factorization.

5428721700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208046 (or 208036 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 5428721700 is about 73679.8595275534. The cubic root of 5428721700 is about 1757.5156170731.

Adding to 5428721700 its reverse (71278245), we get a palindrome (5499999945).

The spelling of 5428721700 in words is "five billion, four hundred twenty-eight million, seven hundred twenty-one thousand, seven hundred".