87444057424 has 20 divisors (see below), whose sum is σ = 170169224544. Its totient is φ = 43529418848.

The previous prime is 87444057419. The next prime is 87444057439. The reversal of 87444057424 is 42475044478.

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, 12034372 + ... + 12041635.

Almost surely, 2^87444057424 is an apocalyptic number.

It is an amenable number.

87444057424 is a deficient number, since it is larger than the sum of its proper divisors (82725167120).

87444057424 is a wasteful number, since it uses less digits than its factorization.

87444057424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076242 (or 24076236 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 49.

The spelling of 87444057424 in words is "eighty-seven billion, four hundred forty-four million, fifty-seven thousand, four hundred twenty-four".