28696142748 has 48 divisors (see below), whose sum is σ = 82409438720. Its totient is φ = 7568213184.

The previous prime is 28696142747. The next prime is 28696142753. The reversal of 28696142748 is 84724169682.

It is a super-2 number, since 2×28696142748² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28696142747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13138168 + ... + 13140351.

Almost surely, 2^28696142748 is an apocalyptic number.

28696142748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28696142748 is an abundant number, since it is smaller than the sum of its proper divisors (53713295972).

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

28696142748 is a wasteful number, since it uses less digits than its factorization.

28696142748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26278546 (or 26278544 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 28696142748 in words is "twenty-eight billion, six hundred ninety-six million, one hundred forty-two thousand, seven hundred forty-eight".