2068692987 has 16 divisors (see below), whose sum is σ = 2810177280. Its totient is φ = 1353255072.

The previous prime is 2068692971. The next prime is 2068693019. The reversal of 2068692987 is 7892968602.

It is not a de Polignac number, because 2068692987 - 2⁴ = 2068692971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2068692487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88098 + ... + 109080.

It is an arithmetic number, because the mean of its divisors is an integer number (175636080).

Almost surely, 2^2068692987 is an apocalyptic number.

2068692987 is a deficient number, since it is larger than the sum of its proper divisors (741484293).

2068692987 is a wasteful number, since it uses less digits than its factorization.

2068692987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21602.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 2068692987 is about 45482.8867487542. The cubic root of 2068692987 is about 1274.1836090127.

The spelling of 2068692987 in words is "two billion, sixty-eight million, six hundred ninety-two thousand, nine hundred eighty-seven".