28488715038 has 32 divisors (see below), whose sum is σ = 72352293120. Its totient is φ = 8139632760.

The previous prime is 28488715033. The next prime is 28488715049. The reversal of 28488715038 is 83051788482.

28488715038 is a `hidden beast` number, since 2 + 8 + 488 + 7 + 150 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28488715033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37683108 + ... + 37683863.

It is an arithmetic number, because the mean of its divisors is an integer number (2261009160).

Almost surely, 2^28488715038 is an apocalyptic number.

28488715038 is an abundant number, since it is smaller than the sum of its proper divisors (43863578082).

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

28488715038 is a wasteful number, since it uses less digits than its factorization.

28488715038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75366989 (or 75366983 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

It can be divided in two parts, 284887 and 15038, that added together give a triangular number (299925 = T₇₇₄).

The spelling of 28488715038 in words is "twenty-eight billion, four hundred eighty-eight million, seven hundred fifteen thousand, thirty-eight".