87064441 has 16 divisors (see below), whose sum is σ = 94677760. Its totient is φ = 79781760.

The previous prime is 87064433. The next prime is 87064447. The reversal of 87064441 is 14446078.

It is not a de Polignac number, because 87064441 - 2³ = 87064433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87064397 and 87064406.

It is not an unprimeable number, because it can be changed into a prime (87064447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190285 + ... + 190741.

It is an arithmetic number, because the mean of its divisors is an integer number (5917360).

Almost surely, 2^87064441 is an apocalyptic number.

It is an amenable number.

87064441 is a deficient number, since it is larger than the sum of its proper divisors (7613319).

87064441 is a wasteful number, since it uses less digits than its factorization.

87064441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 87064441 is about 9330.8328138489. The cubic root of 87064441 is about 443.2141379044.

The spelling of 87064441 in words is "eighty-seven million, sixty-four thousand, four hundred forty-one".