87320372533768 has 16 divisors (see below), whose sum is σ = 178609852910160. Its totient is φ = 39691078424400.

The previous prime is 87320372533747. The next prime is 87320372533769. The reversal of 87320372533768 is 86733527302378.

87320372533768 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (87320372533769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496138480218 + ... + 496138480393.

It is an arithmetic number, because the mean of its divisors is an integer number (11163115806885).

Almost surely, 2^{87320372533768} is an apocalyptic number.

87320372533768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87320372533768 is an abundant number, since it is smaller than the sum of its proper divisors (91289480376392).

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

87320372533768 is a wasteful number, since it uses less digits than its factorization.

87320372533768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992276960628 (or 992276960624 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 64.

It can be divided in two parts, 87320372 and 533768, that added together give a triangular number (87854140 = T₁₃₂₅₅).

The spelling of 87320372533768 in words is "eighty-seven trillion, three hundred twenty billion, three hundred seventy-two million, five hundred thirty-three thousand, seven hundred sixty-eight".