28650763660 has 12 divisors (see below), whose sum is σ = 60166603728. Its totient is φ = 11460305456.

The previous prime is 28650763649. The next prime is 28650763681. The reversal of 28650763660 is 6636705682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716269072 + ... + 716269111.

It is an arithmetic number, because the mean of its divisors is an integer number (5013883644).

Almost surely, 2^28650763660 is an apocalyptic number.

28650763660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28650763660 is an abundant number, since it is smaller than the sum of its proper divisors (31515840068).

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

28650763660 is a wasteful number, since it uses less digits than its factorization.

28650763660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432538192 (or 1432538190 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 28650763660 in words is "twenty-eight billion, six hundred fifty million, seven hundred sixty-three thousand, six hundred sixty".