28269541976 has 32 divisors (see below), whose sum is σ = 57090474000. Its totient is φ = 13045710720.

The previous prime is 28269541957. The next prime is 28269542009. The reversal of 28269541976 is 67914596282.

It is a happy number.

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, 1045475 + ... + 1072173.

Almost surely, 2^28269541976 is an apocalyptic number.

28269541976 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28269541976 is an abundant number, since it is smaller than the sum of its proper divisors (28820932024).

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

28269541976 is a wasteful number, since it uses less digits than its factorization.

28269541976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36899 (or 36895 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The spelling of 28269541976 in words is "twenty-eight billion, two hundred sixty-nine million, five hundred forty-one thousand, nine hundred seventy-six".