28428836760 has 128 divisors (see below), whose sum is σ = 96061176000. Its totient is φ = 7477152768.

The previous prime is 28428836759. The next prime is 28428836767. The reversal of 28428836760 is 6763882482.

28428836760 is a `hidden beast` number, since 28 + 428 + 83 + 67 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28428836697 and 28428836706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28428836767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101455 + ... + 259134.

Almost surely, 2^28428836760 is an apocalyptic number.

28428836760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28428836760 is an abundant number, since it is smaller than the sum of its proper divisors (67632339240).

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

28428836760 is a wasteful number, since it uses less digits than its factorization.

28428836760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360682 (or 360672 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 28428836760 in words is "twenty-eight billion, four hundred twenty-eight million, eight hundred thirty-six thousand, seven hundred sixty".