87320606713780 has 96 divisors (see below), whose sum is σ = 201012552599040. Its totient is φ = 31599172752000.

The previous prime is 87320606713759. The next prime is 87320606713787. The reversal of 87320606713780 is 8731760602378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87320606713787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470559615 + ... + 470745145.

It is an arithmetic number, because the mean of its divisors is an integer number (2093880756240).

Almost surely, 2^{87320606713780} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87320606713780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100506276299520).

87320606713780 is an abundant number, since it is smaller than the sum of its proper divisors (113691945885260).

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

87320606713780 is a wasteful number, since it uses less digits than its factorization.

87320606713780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195901 (or 195899 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 87320606713780 in words is "eighty-seven trillion, three hundred twenty billion, six hundred six million, seven hundred thirteen thousand, seven hundred eighty".