87445095823421 has 64 divisors (see below), whose sum is σ = 104858999193600. Its totient is φ = 71352475084800.

The previous prime is 87445095823403. The next prime is 87445095823427. The reversal of 87445095823421 is 12432859054478.

It is not a de Polignac number, because 87445095823421 - 2¹⁴ = 87445095807037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87445095823427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2286784820 + ... + 2286823058.

It is an arithmetic number, because the mean of its divisors is an integer number (1638421862400).

Almost surely, 2^{87445095823421} is an apocalyptic number.

It is an amenable number.

87445095823421 is a deficient number, since it is larger than the sum of its proper divisors (17413903370179).

87445095823421 is a wasteful number, since it uses less digits than its factorization.

87445095823421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39090.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 87445095823421 in words is "eighty-seven trillion, four hundred forty-five billion, ninety-five million, eight hundred twenty-three thousand, four hundred twenty-one".