87444038023020 has 72 divisors (see below), whose sum is σ = 303139331817504. Its totient is φ = 19987208690688.

The previous prime is 87444038022967. The next prime is 87444038023021. The reversal of 87444038023020 is 2032083044478.

87444038023020 is a `hidden beast` number, since 8 + 7 + 4 + 4 + 403 + 8 + 0 + 230 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (87444038023021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34700013829 + ... + 34700016348.

Almost surely, 2^{87444038023020} is an apocalyptic number.

It is an amenable number.

87444038023020 is an abundant number, since it is smaller than the sum of its proper divisors (215695293794484).

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

87444038023020 is a wasteful number, since it uses less digits than its factorization.

87444038023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69400030199 (or 69400030194 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 87444038023020 in words is "eighty-seven trillion, four hundred forty-four billion, thirty-eight million, twenty-three thousand, twenty".