28953875718776 has 32 divisors (see below), whose sum is σ = 59464095678000. Its totient is φ = 13155513509376.

The previous prime is 28953875718773. The next prime is 28953875718787. The reversal of 28953875718776 is 67781757835982.

It is a junction number, because it is equal to n+sod(n) for n = 28953875718694 and 28953875718703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28953875718773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670619246 + ... + 3670627133.

Almost surely, 2^{28953875718776} is an apocalyptic number.

It is an amenable number.

28953875718776 is an abundant number, since it is smaller than the sum of its proper divisors (30510219959224).

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

28953875718776 is a wasteful number, since it uses less digits than its factorization.

28953875718776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341246431 (or 7341246427 counting only the distinct ones).

The product of its digits is 9957427200, while the sum is 83.

The spelling of 28953875718776 in words is "twenty-eight trillion, nine hundred fifty-three billion, eight hundred seventy-five million, seven hundred eighteen thousand, seven hundred seventy-six".