2087905694 has 64 divisors (see below), whose sum is σ = 3861043200. Its totient is φ = 826495488.

The previous prime is 2087905693. The next prime is 2087905709. The reversal of 2087905694 is 4965097802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087905693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5508797 + ... + 5509175.

It is an arithmetic number, because the mean of its divisors is an integer number (60328800).

Almost surely, 2^2087905694 is an apocalyptic number.

2087905694 is a deficient number, since it is larger than the sum of its proper divisors (1773137506).

2087905694 is a wasteful number, since it uses less digits than its factorization.

2087905694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 2087905694 is about 45693.6067081600. The cubic root of 2087905694 is about 1278.1160627611.

The spelling of 2087905694 in words is "two billion, eighty-seven million, nine hundred five thousand, six hundred ninety-four".