28303722495 has 48 divisors (see below), whose sum is σ = 52901503200. Its totient is φ = 13952010240.

The previous prime is 28303722493. The next prime is 28303722583. The reversal of 28303722495 is 59422730382.

28303722495 is a `hidden beast` number, since 2 + 8 + 30 + 372 + 249 + 5 = 666.

It is not a de Polignac number, because 28303722495 - 2¹ = 28303722493 is a prime.

It is a super-2 number, since 2×28303722495² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28303722495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28303722493) 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, 368650 + ... + 438759.

It is an arithmetic number, because the mean of its divisors is an integer number (1102114650).

Almost surely, 2^28303722495 is an apocalyptic number.

28303722495 is a deficient number, since it is larger than the sum of its proper divisors (24597780705).

28303722495 is a wasteful number, since it uses less digits than its factorization.

28303722495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807480 (or 807477 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 28303722495 in words is "twenty-eight billion, three hundred three million, seven hundred twenty-two thousand, four hundred ninety-five".