2116793087 has 4 divisors (see below), whose sum is σ = 2117921520. Its totient is φ = 2115664656.

The previous prime is 2116793069. The next prime is 2116793089. The reversal of 2116793087 is 7803976112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2116793087 - 2¹² = 2116788991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116793089) 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, 561398 + ... + 565155.

It is an arithmetic number, because the mean of its divisors is an integer number (529480380).

Almost surely, 2^2116793087 is an apocalyptic number.

2116793087 is a deficient number, since it is larger than the sum of its proper divisors (1128433).

2116793087 is a wasteful number, since it uses less digits than its factorization.

2116793087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128432.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 2116793087 is about 46008.6197032686. The cubic root of 2116793087 is about 1283.9835789397.

The spelling of 2116793087 in words is "two billion, one hundred sixteen million, seven hundred ninety-three thousand, eighty-seven".