87990442758814 has 8 divisors (see below), whose sum is σ = 132056358125688. Its totient is φ = 43971656716920.

The previous prime is 87990442758797. The next prime is 87990442758833. The reversal of 87990442758814 is 41885724409978.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 11782326577 + ... + 11782334044.

It is an arithmetic number, because the mean of its divisors is an integer number (16507044765711).

Almost surely, 2^{87990442758814} is an apocalyptic number.

87990442758814 is a deficient number, since it is larger than the sum of its proper divisors (44065915366874).

87990442758814 is a wasteful number, since it uses less digits than its factorization.

87990442758814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23564662490.

The product of its (nonzero) digits is 1300561920, while the sum is 76.

The spelling of 87990442758814 in words is "eighty-seven trillion, nine hundred ninety billion, four hundred forty-two million, seven hundred fifty-eight thousand, eight hundred fourteen".