2088464657 has 4 divisors (see below), whose sum is σ = 2097584820. Its totient is φ = 2079344496.

The previous prime is 2088464647. The next prime is 2088464659. The reversal of 2088464657 is 7564648802.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1273704721 + 814759936 = 35689^2 + 28544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2088464657 - 2²⁸ = 1820029201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2088464659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4559738 + ... + 4560195.

It is an arithmetic number, because the mean of its divisors is an integer number (524396205).

Almost surely, 2^2088464657 is an apocalyptic number.

It is an amenable number.

2088464657 is a deficient number, since it is larger than the sum of its proper divisors (9120163).

2088464657 is an equidigital number, since it uses as much as digits as its factorization.

2088464657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120162.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The square root of 2088464657 is about 45699.7227234477. The cubic root of 2088464657 is about 1278.2301093944.

The spelling of 2088464657 in words is "two billion, eighty-eight million, four hundred sixty-four thousand, six hundred fifty-seven".