86887554 has 32 divisors (see below), whose sum is σ = 189411264. Its totient is φ = 26410560.

The previous prime is 86887547. The next prime is 86887657. The reversal of 86887554 is 45578868.

It is a junction number, because it is equal to n+sod(n) for n = 86887497 and 86887506.

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, 237 + ... + 13184.

It is an arithmetic number, because the mean of its divisors is an integer number (5919102).

Almost surely, 2^86887554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86887554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94705632).

86887554 is an abundant number, since it is smaller than the sum of its proper divisors (102523710).

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

86887554 is a wasteful number, since it uses less digits than its factorization.

86887554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13522.

The product of its digits is 2150400, while the sum is 51.

The square root of 86887554 is about 9321.3493658375. The cubic root of 86887554 is about 442.9137781094.

The spelling of 86887554 in words is "eighty-six million, eight hundred eighty-seven thousand, five hundred fifty-four".