28741224075 has 48 divisors (see below), whose sum is σ = 48042567936. Its totient is φ = 15160048000.

The previous prime is 28741224073. The next prime is 28741224101. The reversal of 28741224075 is 57042214782.

It is not a de Polignac number, because 28741224075 - 2¹ = 28741224073 is a prime.

It is a super-2 number, since 2×28741224075² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28741224073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9899074 + ... + 9901976.

It is an arithmetic number, because the mean of its divisors is an integer number (1000886832).

Almost surely, 2^28741224075 is an apocalyptic number.

28741224075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28741224075 is a deficient number, since it is larger than the sum of its proper divisors (19301343861).

28741224075 is a wasteful number, since it uses less digits than its factorization.

28741224075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 42.

The spelling of 28741224075 in words is "twenty-eight billion, seven hundred forty-one million, two hundred twenty-four thousand, seventy-five".