87280016 has 20 divisors (see below), whose sum is σ = 171489024. Its totient is φ = 43024800.

The previous prime is 87280013. The next prime is 87280019. The reversal of 87280016 is 61008278.

It is an interprime number because it is at equal distance from previous prime (87280013) and next prime (87280019).

It is not an unprimeable number, because it can be changed into a prime (87280013) 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, 37280 + ... + 39551.

Almost surely, 2^87280016 is an apocalyptic number.

It is an amenable number.

87280016 is a deficient number, since it is larger than the sum of its proper divisors (84209008).

87280016 is a wasteful number, since it uses less digits than its factorization.

87280016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76910 (or 76904 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 87280016 is about 9342.3774276145. The cubic root of 87280016 is about 443.5796416490.

The spelling of 87280016 in words is "eighty-seven million, two hundred eighty thousand, sixteen".