87438577583478 has 32 divisors (see below), whose sum is σ = 190785076139520. Its totient is φ = 26495150081760.

The previous prime is 87438577583453. The next prime is 87438577583531.

87438577583478 is nontrivially palindromic in base 10.

87438577583478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×87438577583478⁵ (a number of 71 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87438577583478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33445213 + ... + 35964696.

It is an arithmetic number, because the mean of its divisors is an integer number (5962033629360).

Almost surely, 2^{87438577583478} is an apocalyptic number.

87438577583478 is an abundant number, since it is smaller than the sum of its proper divisors (103346498556042).

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

87438577583478 is a wasteful number, since it uses less digits than its factorization.

87438577583478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69429012.

The product of its digits is 35404185600, while the sum is 84.

The spelling of 87438577583478 in words is "eighty-seven trillion, four hundred thirty-eight billion, five hundred seventy-seven million, five hundred eighty-three thousand, four hundred seventy-eight".