87445281372 has 12 divisors (see below), whose sum is σ = 204038989896. Its totient is φ = 29148427120.

The previous prime is 87445281359. The next prime is 87445281379. The reversal of 87445281372 is 27318254478.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87445281379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643553379 + ... + 3643553402.

It is an arithmetic number, because the mean of its divisors is an integer number (17003249158).

Almost surely, 2^87445281372 is an apocalyptic number.

It is an amenable number.

87445281372 is an abundant number, since it is smaller than the sum of its proper divisors (116593708524).

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

87445281372 is a wasteful number, since it uses less digits than its factorization.

87445281372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287106788 (or 7287106786 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The spelling of 87445281372 in words is "eighty-seven billion, four hundred forty-five million, two hundred eighty-one thousand, three hundred seventy-two".