28481369874 has 16 divisors (see below), whose sum is σ = 56964422880. Its totient is φ = 9493509440.

The previous prime is 28481369869. The next prime is 28481369879. The reversal of 28481369874 is 47896318482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28481369869) and next prime (28481369879).

It is a super-2 number, since 2×28481369874² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28481369879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300637 + ... + 383855.

It is an arithmetic number, because the mean of its divisors is an integer number (3560276430).

Almost surely, 2^28481369874 is an apocalyptic number.

28481369874 is an abundant number, since it is smaller than the sum of its proper divisors (28483053006).

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

28481369874 is a wasteful number, since it uses less digits than its factorization.

28481369874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140265.

The product of its digits is 18579456, while the sum is 60.

The spelling of 28481369874 in words is "twenty-eight billion, four hundred eighty-one million, three hundred sixty-nine thousand, eight hundred seventy-four".