28677390336 has 525 divisors, whose sum is σ = 100315941131. Its totient is φ = 8193540096.

The previous prime is 28677390323. The next prime is 28677390373. The reversal of 28677390336 is 63309377682.

The square root of 28677390336 is 169344.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 34 ways as a sum of consecutive naturals, for example, 4096770045 + ... + 4096770051.

Almost surely, 2^28677390336 is an apocalyptic number.

28677390336 is the 169344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28677390336

28677390336 is an abundant number, since it is smaller than the sum of its proper divisors (71638550795).

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

28677390336 is an frugal number, since it uses more digits than its factorization.

28677390336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 28677390336 in words is "twenty-eight billion, six hundred seventy-seven million, three hundred ninety thousand, three hundred thirty-six".