87053412 has 12 divisors (see below), whose sum is σ = 203124656. Its totient is φ = 29017800.

The previous prime is 87053411. The next prime is 87053423. The reversal of 87053412 is 21435078.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 87053412.

It is not an unprimeable number, because it can be changed into a prime (87053411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3627214 + ... + 3627237.

Almost surely, 2^87053412 is an apocalyptic number.

It is an amenable number.

87053412 is an abundant number, since it is smaller than the sum of its proper divisors (116071244).

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

87053412 is a wasteful number, since it uses less digits than its factorization.

87053412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254458 (or 7254456 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 87053412 is about 9330.2417975099. The cubic root of 87053412 is about 443.1954222072.

The spelling of 87053412 in words is "eighty-seven million, fifty-three thousand, four hundred twelve".