28350477376 has 63 divisors (see below), whose sum is σ = 60956053221. Its totient is φ = 13076753664.

The previous prime is 28350477371. The next prime is 28350477383. The reversal of 28350477376 is 67377405382.

It is a happy number.

The square root of 28350477376 is 168376.

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

It can be written as a sum of positive squares in only one way, i.e., 4193857600 + 24156619776 = 64760^2 + 155424^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28350477371) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17510295 + ... + 17511913.

Almost surely, 2^28350477376 is an apocalyptic number.

28350477376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28350477376 is the 168376-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28350477376

28350477376 is an abundant number, since it is smaller than the sum of its proper divisors (32605575845).

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

28350477376 is an frugal number, since it uses more digits than its factorization.

28350477376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 28350477376 in words is "twenty-eight billion, three hundred fifty million, four hundred seventy-seven thousand, three hundred seventy-six".