28232228760 has 32 divisors (see below), whose sum is σ = 84696686640. Its totient is φ = 7528594304.

The previous prime is 28232228743. The next prime is 28232228777. The reversal of 28232228760 is 6782223282.

It is an interprime number because it is at equal distance from previous prime (28232228743) and next prime (28232228777).

It is a super-2 number, since 2×28232228760² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117634167 + ... + 117634406.

Almost surely, 2^28232228760 is an apocalyptic number.

28232228760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28232228760 is an abundant number, since it is smaller than the sum of its proper divisors (56464457880).

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

28232228760 is a wasteful number, since it uses less digits than its factorization.

28232228760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235268587 (or 235268583 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 28232228760 in words is "twenty-eight billion, two hundred thirty-two million, two hundred twenty-eight thousand, seven hundred sixty".