28214653748 has 12 divisors (see below), whose sum is σ = 51522411360. Its totient is φ = 13493964792.

The previous prime is 28214653741. The next prime is 28214653757. The reversal of 28214653748 is 84735641282.

It is a super-2 number, since 2×28214653748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28214653696 and 28214653705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214653741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153340418 + ... + 153340601.

It is an arithmetic number, because the mean of its divisors is an integer number (4293534280).

Almost surely, 2^28214653748 is an apocalyptic number.

It is an amenable number.

28214653748 is a deficient number, since it is larger than the sum of its proper divisors (23307757612).

28214653748 is a wasteful number, since it uses less digits than its factorization.

28214653748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306681046 (or 306681044 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The spelling of 28214653748 in words is "twenty-eight billion, two hundred fourteen million, six hundred fifty-three thousand, seven hundred forty-eight".