28445326776 has 48 divisors (see below), whose sum is σ = 77057449560. Its totient is φ = 9479557440.

The previous prime is 28445326729. The next prime is 28445326781. The reversal of 28445326776 is 67762354482.

28445326776 is a `hidden beast` number, since 2 + 8 + 44 + 532 + 67 + 7 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279531 + ... + 367461.

Almost surely, 2^28445326776 is an apocalyptic number.

It is an amenable number.

28445326776 is an abundant number, since it is smaller than the sum of its proper divisors (48612122784).

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

28445326776 is a wasteful number, since it uses less digits than its factorization.

28445326776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92436 (or 92429 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 28445326776 in words is "twenty-eight billion, four hundred forty-five million, three hundred twenty-six thousand, seven hundred seventy-six".