87397384698 has 80 divisors (see below), whose sum is σ = 211402194696. Its totient is φ = 26827355520.

The previous prime is 87397384691. The next prime is 87397384733. The reversal of 87397384698 is 89648379378.

87397384698 is a `hidden beast` number, since 8 + 73 + 97 + 3 + 8 + 469 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15432347529 + 71965037169 = 124227^2 + 268263^2 .

It is not an unprimeable number, because it can be changed into a prime (87397384691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 837340 + ... + 935912.

Almost surely, 2^87397384698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87397384698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105701097348).

87397384698 is an abundant number, since it is smaller than the sum of its proper divisors (124004809998).

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

87397384698 is a wasteful number, since it uses less digits than its factorization.

87397384698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99021 (or 99012 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 87397384698 in words is "eighty-seven billion, three hundred ninety-seven million, three hundred eighty-four thousand, six hundred ninety-eight".