2089757478 has 8 divisors (see below), whose sum is σ = 4179514968. Its totient is φ = 696585824.

The previous prime is 2089757431. The next prime is 2089757497. The reversal of 2089757478 is 8747579802.

It is a sphenic number, since it is the product of 3 distinct primes.

2089757478 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 174146451 + ... + 174146462.

It is an arithmetic number, because the mean of its divisors is an integer number (522439371).

Almost surely, 2^2089757478 is an apocalyptic number.

2089757478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089757478 is a wasteful number, since it uses less digits than its factorization.

2089757478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348292918.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The square root of 2089757478 is about 45713.8652708344. The cubic root of 2089757478 is about 1278.4938089903.

The spelling of 2089757478 in words is "two billion, eighty-nine million, seven hundred fifty-seven thousand, four hundred seventy-eight".