1087685973 has 24 divisors (see below), whose sum is σ = 1739521056. Its totient is φ = 649360800.

The previous prime is 1087685953. The next prime is 1087686001. The reversal of 1087685973 is 3795867801.

It is not a de Polignac number, because 1087685973 - 2⁹ = 1087685461 is a prime.

It is a super-3 number, since 3×1087685973³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087685953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75358 + ... + 88623.

It is an arithmetic number, because the mean of its divisors is an integer number (72480044).

Almost surely, 2^1087685973 is an apocalyptic number.

It is an amenable number.

1087685973 is a deficient number, since it is larger than the sum of its proper divisors (651835083).

1087685973 is a wasteful number, since it uses less digits than its factorization.

1087685973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164065 (or 164062 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 1087685973 is about 32980.0844904921. The cubic root of 1087685973 is about 1028.4136743098.

The spelling of 1087685973 in words is "one billion, eighty-seven million, six hundred eighty-five thousand, nine hundred seventy-three".