2084387657 has 16 divisors (see below), whose sum is σ = 2325568320. Its totient is φ = 1852094400.

The previous prime is 2084387653. The next prime is 2084387659. The reversal of 2084387657 is 7567834802.

It is a cyclic number.

It is not a de Polignac number, because 2084387657 - 2² = 2084387653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2084387651) 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, 150182 + ... + 163472.

It is an arithmetic number, because the mean of its divisors is an integer number (145348020).

Almost surely, 2^2084387657 is an apocalyptic number.

It is an amenable number.

2084387657 is a deficient number, since it is larger than the sum of its proper divisors (241180663).

2084387657 is a wasteful number, since it uses less digits than its factorization.

2084387657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13624.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 2084387657 is about 45655.0945350023. The cubic root of 2084387657 is about 1277.3978011669.

The spelling of 2084387657 in words is "two billion, eighty-four million, three hundred eighty-seven thousand, six hundred fifty-seven".