28519286925472 has 48 divisors (see below), whose sum is σ = 64980653794560. Its totient is φ = 12067835689728.

The previous prime is 28519286925461. The next prime is 28519286925487. The reversal of 28519286925472 is 27452968291582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805793983 + ... + 805829374.

It is an arithmetic number, because the mean of its divisors is an integer number (1353763620720).

Almost surely, 2^{28519286925472} is an apocalyptic number.

It is an amenable number.

28519286925472 is an abundant number, since it is smaller than the sum of its proper divisors (36461366869088).

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

28519286925472 is a wasteful number, since it uses less digits than its factorization.

28519286925472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611623453 (or 1611623445 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 70.

The spelling of 28519286925472 in words is "twenty-eight trillion, five hundred nineteen billion, two hundred eighty-six million, nine hundred twenty-five thousand, four hundred seventy-two".