87876544 has 56 divisors (see below), whose sum is σ = 203106528. Its totient is φ = 36940800.

The previous prime is 87876541. The next prime is 87876557. The reversal of 87876544 is 44567878.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87876541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21894 + ... + 25594.

Almost surely, 2^87876544 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 87876544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101553264).

87876544 is an abundant number, since it is smaller than the sum of its proper divisors (115229984).

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

87876544 is a wasteful number, since it uses less digits than its factorization.

87876544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3763 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 87876544 is about 9374.2489832519. The cubic root of 87876544 is about 444.5879179758.

The spelling of 87876544 in words is "eighty-seven million, eight hundred seventy-six thousand, five hundred forty-four".