28306671700 has 36 divisors (see below), whose sum is σ = 62203032640. Its totient is φ = 11179340640.

The previous prime is 28306671677. The next prime is 28306671709. The reversal of 28306671700 is 717660382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28306671709) 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, 1783662 + ... + 1799461.

Almost surely, 2^28306671700 is an apocalyptic number.

28306671700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28306671700 is an abundant number, since it is smaller than the sum of its proper divisors (33896360940).

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

28306671700 is a wasteful number, since it uses less digits than its factorization.

28306671700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583216 (or 3583209 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 28306671700 in words is "twenty-eight billion, three hundred six million, six hundred seventy-one thousand, seven hundred".