87542816281472 has 32 divisors (see below), whose sum is σ = 174411602815320. Its totient is φ = 43768923810304.

The previous prime is 87542816281447. The next prime is 87542816281483. The reversal of 87542816281472 is 27418261824578.

It is a happy number.

87542816281472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 87542816281399 and 87542816281408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17143763 + ... + 21656274.

Almost surely, 2^{87542816281472} is an apocalyptic number.

It is an amenable number.

87542816281472 is a deficient number, since it is larger than the sum of its proper divisors (86868786533848).

87542816281472 is a wasteful number, since it uses less digits than its factorization.

87542816281472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38817678 (or 38817666 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 65.

The spelling of 87542816281472 in words is "eighty-seven trillion, five hundred forty-two billion, eight hundred sixteen million, two hundred eighty-one thousand, four hundred seventy-two".