28772354016 has 144 divisors (see below), whose sum is σ = 95685093504. Its totient is φ = 8029469952.

The previous prime is 28772353991. The next prime is 28772354069. The reversal of 28772354016 is 61045327782.

28772354016 is a `hidden beast` number, since 2 + 8 + 7 + 7 + 235 + 401 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79266 + ... + 252641.

It is an arithmetic number, because the mean of its divisors is an integer number (664479816).

Almost surely, 2^28772354016 is an apocalyptic number.

It is an amenable number.

28772354016 is an abundant number, since it is smaller than the sum of its proper divisors (66912739488).

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

28772354016 is a wasteful number, since it uses less digits than its factorization.

28772354016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331973 (or 331962 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 28772354016 in words is "twenty-eight billion, seven hundred seventy-two million, three hundred fifty-four thousand, sixteen".