28373384072 has 16 divisors (see below), whose sum is σ = 58036467600. Its totient is φ = 12896992720.

The previous prime is 28373384027. The next prime is 28373384077. The reversal of 28373384072 is 27048337382.

It is not an unprimeable number, because it can be changed into a prime (28373384077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161212322 + ... + 161212497.

It is an arithmetic number, because the mean of its divisors is an integer number (3627279225).

Almost surely, 2^28373384072 is an apocalyptic number.

28373384072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28373384072 is an abundant number, since it is smaller than the sum of its proper divisors (29663083528).

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

28373384072 is a wasteful number, since it uses less digits than its factorization.

28373384072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322424836 (or 322424832 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 28373384072 in words is "twenty-eight billion, three hundred seventy-three million, three hundred eighty-four thousand, seventy-two".