2152087685 has 8 divisors (see below), whose sum is σ = 2817278496. Its totient is φ = 1565154640.

The previous prime is 2152087643. The next prime is 2152087697. The reversal of 2152087685 is 5867802512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2152087685 - 2¹⁴ = 2152071301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19564379 + ... + 19564488.

It is an arithmetic number, because the mean of its divisors is an integer number (352159812).

Almost surely, 2^2152087685 is an apocalyptic number.

It is an amenable number.

2152087685 is a deficient number, since it is larger than the sum of its proper divisors (665190811).

2152087685 is a wasteful number, since it uses less digits than its factorization.

2152087685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39128883.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 2152087685 is about 46390.5991015421. The cubic root of 2152087685 is about 1291.0804970884.

The spelling of 2152087685 in words is "two billion, one hundred fifty-two million, eighty-seven thousand, six hundred eighty-five".