87445016 has 8 divisors (see below), whose sum is σ = 163959420. Its totient is φ = 43722504.

The previous prime is 87445013. The next prime is 87445031. The reversal of 87445016 is 61054478.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87445013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5465306 + ... + 5465321.

Almost surely, 2^87445016 is an apocalyptic number.

It is an amenable number.

87445016 is a deficient number, since it is larger than the sum of its proper divisors (76514404).

87445016 is a wasteful number, since it uses less digits than its factorization.

87445016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930633 (or 10930629 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 87445016 is about 9351.2039866533. The cubic root of 87445016 is about 443.8589899317.

The spelling of 87445016 in words is "eighty-seven million, four hundred forty-five thousand, sixteen".