85080987 has 12 divisors (see below), whose sum is σ = 124089264. Its totient is φ = 56169360.

The previous prime is 85080959. The next prime is 85080991. The reversal of 85080987 is 78908058.

It is not a de Polignac number, because 85080987 - 2⁶ = 85080923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85080587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44964 + ... + 46817.

It is an arithmetic number, because the mean of its divisors is an integer number (10340772).

Almost surely, 2^85080987 is an apocalyptic number.

85080987 is a deficient number, since it is larger than the sum of its proper divisors (39008277).

85080987 is a wasteful number, since it uses less digits than its factorization.

85080987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91890 (or 91887 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 85080987 is about 9223.9355483438. The cubic root of 85080987 is about 439.8225644758.

The spelling of 85080987 in words is "eighty-five million, eighty thousand, nine hundred eighty-seven".