28776752192 has 14 divisors (see below), whose sum is σ = 57103867758. Its totient is φ = 14388376064.

The previous prime is 28776752107. The next prime is 28776752201. The reversal of 28776752192 is 29125767782.

It can be written as a sum of positive squares in only one way, i.e., 18013934656 + 10762817536 = 134216^2 + 103744^2 .

It is a super-4 number, since 4×28776752192⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224818313 + ... + 224818440.

It is an arithmetic number, because the mean of its divisors is an integer number (4078847697).

Almost surely, 2^28776752192 is an apocalyptic number.

It is an amenable number.

28776752192 is a deficient number, since it is larger than the sum of its proper divisors (28327115566).

28776752192 is an equidigital number, since it uses as much as digits as its factorization.

28776752192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449636765 (or 449636755 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 56.

The spelling of 28776752192 in words is "twenty-eight billion, seven hundred seventy-six million, seven hundred fifty-two thousand, one hundred ninety-two".