87565416 has 32 divisors (see below), whose sum is σ = 228432960. Its totient is φ = 27919232.

The previous prime is 87565411. The next prime is 87565441. The reversal of 87565416 is 61456578.

It is not an unprimeable number, because it can be changed into a prime (87565411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78765 + ... + 79868.

It is an arithmetic number, because the mean of its divisors is an integer number (7138530).

Almost surely, 2^87565416 is an apocalyptic number.

It is an amenable number.

87565416 is an abundant number, since it is smaller than the sum of its proper divisors (140867544).

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

87565416 is a wasteful number, since it uses less digits than its factorization.

87565416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158665 (or 158661 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 87565416 is about 9357.6394459287. The cubic root of 87565416 is about 444.0626078421.

The spelling of 87565416 in words is "eighty-seven million, five hundred sixty-five thousand, four hundred sixteen".