87320344803486 has 16 divisors (see below), whose sum is σ = 180662782352400. Its totient is φ = 28103099476928.

The previous prime is 87320344803469. The next prime is 87320344803487. The reversal of 87320344803486 is 68430844302378.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87320344803487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250920530871 + ... + 250920531218.

It is an arithmetic number, because the mean of its divisors is an integer number (11291423897025).

Almost surely, 2^{87320344803486} is an apocalyptic number.

87320344803486 is an abundant number, since it is smaller than the sum of its proper divisors (93342437548914).

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

87320344803486 is a wasteful number, since it uses less digits than its factorization.

87320344803486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501841062123.

The product of its (nonzero) digits is 74317824, while the sum is 60.

The spelling of 87320344803486 in words is "eighty-seven trillion, three hundred twenty billion, three hundred forty-four million, eight hundred three thousand, four hundred eighty-six".